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 garden. Fact 2- Sandra journeyed to the kitchen. Question: Where is Sandra? Answer: kitchen

Ex Output:
Fact 2


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

Ex Output:
Fact 3


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

Ex Output:

Fact 6