You will be given a passage with an enumerated set of facts, a question of form 'Where is <person_name>?', and its answer. The task is to identify a supporting fact that is necessary to answer the question. The output would be the corresponding fact number.

Input: Consider Input: Passage: Fact 1- Sandra went to the garden. Fact 2- John journeyed to the kitchen. Fact 3- John went back to the office. Fact 4- Daniel moved to the garden. Fact 5- Mary went back to the hallway. Fact 6- Sandra moved to the bedroom. Question: Where is John? Answer: office

Output: Fact 3


Input: Consider Input: Passage: Fact 1- John went back to the hallway. Fact 2- Sandra moved to the bedroom. Question: Where is Sandra? Answer: bedroom

Output: Fact 2


Input: Consider Input: Passage: Fact 1- Mary moved to the bedroom. Fact 2- Sandra travelled to the garden. Fact 3- Sandra journeyed to the kitchen. Fact 4- Sandra moved to the garden. Question: Where is Sandra? Answer: garden


Output: Fact 4