content: once upon a time there lived a king who was deeply in love with a princess , but she could not marry anyone , because she was under an enchantment . so the king set out to seek a fairy , and asked what he could do to win the princess 's love . the fairy said to him : " you know that the princess has a great cat which she is very fond of . whoever is clever enough to tread on that cat 's tail is the man she is destined to marry . "
answer: the king .
question: who was deeply in love with a princess ?
target: who was deeply in love with a princess ?
references: who was deeply in love with a princess ?