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- Daniel journeyed to the kitchen. Fact 2- Daniel journeyed to the bedroom. Question: Where is Daniel? Answer: bedroom

Ex Output:
Fact 2


Ex Input:
Passage: Fact 1- John moved to the hallway. Fact 2- Mary moved to the garden. Question: Where is John? Answer: hallway

Ex Output:
Fact 1


Ex Input:
Passage: Fact 1- Sandra moved to the hallway. Fact 2- John went back to the hallway. Fact 3- Daniel moved to the garden. Fact 4- Daniel went to the bathroom. Fact 5- Daniel moved to the hallway. Fact 6- Sandra went to the kitchen. Fact 7- Daniel journeyed to the kitchen. Fact 8- Daniel went to the garden. Fact 9- Daniel moved to the bathroom. Fact 10- Mary went to the office. Question: Where is Daniel? Answer: bathroom

Ex Output:

Fact 9