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.

Ex Input:
Passage: Fact 1- John went to the kitchen. Fact 2- John moved to the garden. Fact 3- Daniel went back to the bedroom. Fact 4- Sandra moved to the office. Question: Where is Sandra? Answer: office

Ex Output:
Fact 4


Ex Input:
Passage: Fact 1- John journeyed to the hallway. Fact 2- Daniel travelled to the office. Question: Where is Daniel? Answer: office

Ex Output:
Fact 2


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

Ex Output:

Fact 6