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- Sandra journeyed to the hallway. Fact 2- Daniel travelled to the hallway. Fact 3- John travelled to the hallway. Fact 4- Sandra went to the bedroom. Question: Where is John? Answer: hallway

Ex Output:
Fact 3


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

Ex Output:
Fact 9


Ex Input:
Passage: Fact 1- Sandra journeyed to the bathroom. Fact 2- John went to the hallway. Question: Where is John? Answer: hallway

Ex Output:

Fact 2