content: when the youth came to the first princess , she called out to him , and begged him most earnestly to come to her ; but he went on as though he had not seen her . and he passed the next one in the same manner ; but went over to the third . " if you will do what i tell you to , you shall have whichever one of us you want , " said she . yes , he would do what she wanted . so she told him that three trolls had wished them into the earth where they were ; but that formerly they had dwelt in the castle he saw on the edge of the forest .
answer: three trolls .
question: who wished the princesses into the earth ?
target: who wished the princesses into the earth ?
references: who wished the princesses into the earth ?