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- Mary travelled to the bedroom. Fact 2- Daniel travelled to the office. Question: Where is Mary? Answer: bedroom

Output: Fact 1


Input: Consider Input: Passage: Fact 1- Mary journeyed to the garden. Fact 2- Sandra went back to the office. Question: Where is Sandra? Answer: office

Output: Fact 2


Input: Consider Input: Passage: Fact 1- Sandra journeyed to the hallway. Fact 2- Daniel travelled to the hallway. Question: Where is Sandra? Answer: hallway


Output: Fact 1