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 went to the kitchen. Fact 2- Mary moved to the kitchen. Fact 3- Sandra moved to the hallway. Fact 4- Mary went to the office. Fact 5- Daniel journeyed to the garden. Fact 6- Sandra journeyed to the garden. Fact 7- Daniel went back to the kitchen. Fact 8- Sandra moved to the office. Question: Where is Daniel? Answer: kitchen

Ex Output:
Fact 7


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- Daniel travelled to the hallway. Fact 2- John travelled to the office. Question: Where is John? Answer: office

Ex Output:

Fact 2