The text-grammar check

I checked all the text with Grammarly and fix all the issues

README.md

@@ -74,7 +74,7 @@ Context dataset, [MS COCO](https://cocodataset.org/). All data labeling was perf
 
 Our dataset has 45,199 instances split among three subsets: train (38,990 instances), public test (1,705 instances),
 and private test (4,504 instances). The entire train dataset was available for everyone since the start of the challenge.
-The public test dataset was available since the evaluation phase of the competition, but without any ground truth labels.
+The public test dataset was available since the evaluation phase of the competition but without any ground truth labels.
 After the end of the competition, public and private sets were released.
 
 ## Dataset Citation
@@ -108,10 +108,7 @@ English
 ## Dataset Structure
 
 ### Data Instances
-A data instance contains a url to the picture, information about the image size - width and height,
-information about ground truth bounding box - left top and right bottom dots, 
-contains the question related to the picture.
-image,width,height,left,top,right,bottom,question
+A data instance contains a URL to the picture, information about the image size - width and height, information about the ground truth bounding box - left top and right bottom dots, and contains the question related to the picture.
 ```
 {'image': https://toloka-cdn.azureedge.net/wsdmcup2023/000000000013.jpg,
 'width': 640,
@@ -124,19 +121,19 @@ image,width,height,left,top,right,bottom,question
 ```
 ### Data Fields
 
-* image: contains url to the image
+* image: contains URL to the image
 * width: value in pixels of image width
-* heigth: value in pixels of image height
-* left: the x coordinate in pixels to determin left-top dot of bounding box
-* top: the y coordinate in pixels to determin left-top dot of bounding box
-* right: the x coordinate in pixels to determin right-bottom dot of bounding box
-* bottom: the y coordinate in pixels to determin right-bottom dot of bounding box
+* height: value in pixels of image height
+* left: the x coordinate in pixels to determine the left-top dot of the bounding box
+* top: the y coordinate in pixels to determine the left-top dot of the bounding box
+* right: the x coordinate in pixels to determine the right-bottom dot of the bounding box
+* bottom: the y coordinate in pixels to determine the right-bottom dot of the bounding box
 * question: a question related to the picture
 
 ### Data Splits
-There are four splits in the data: train, train_sample, test_public, test_private. 'train' split contains the full pull for model training.
-'train-sample' split contains the part of 'train' split. 'test_public' split contains public data to test the model. 
-'test_private' split contains private data for final model test.
+There are four splits in the data: train, train_sample, test_public, and test_private. 'train' split contains the full pull for model training.
+The 'train-sample' split contains the part of the 'train' split. The 'test_public' split contains public data to test the model. 
+The 'test_private' split contains private data for the final model test.
 
 ### Source Data