content: before the bull entered the forest he said to the king 's daughter : " now when we get into this forest , in heaven 's name be careful ! you must touch nothing , and not even tear off so much as a single leaf , or else it is all up with you and me . a troll with six heads lives here , and the forest belongs to him , and i will hardly be able to hold my own against him ! "
answer: the troll was very strong .
question: why must the bull and the king's daughter be careful ?
target: why must the bull and the king's daughter be careful ?
references: why must the bull and the king's daughter be careful ?