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.

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

Example Input: Passage: Fact 1- John went to the bedroom. Fact 2- John went back to the office. Question: Where is John? Answer: office
Example Output: Fact 2

Example Input: Passage: Fact 1- Sandra travelled to the hallway. Fact 2- Sandra went to the bedroom. Question: Where is Sandra? Answer: bedroom
Example Output:
Fact 2