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 back to the hallway. Fact 2- Sandra journeyed to the kitchen. Fact 3- Daniel journeyed to the office. Fact 4- John went to the kitchen. Fact 5- Daniel journeyed to the garden. Fact 6- John travelled to the bedroom. Fact 7- Daniel journeyed to the office. Fact 8- Daniel went to the bedroom. Fact 9- Sandra travelled to the hallway. Fact 10- Sandra journeyed to the bedroom. Question: Where is Daniel? Answer: bedroom

Ex Output:
Fact 8


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

Ex Output:
Fact 3


Ex Input:
Passage: Fact 1- Daniel went to the office. Fact 2- Mary went back to the office. Question: Where is Mary? Answer: office

Ex Output:

Fact 2