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- Mary journeyed to the bedroom. Fact 2- Mary journeyed to the garden. Question: Where is Mary? Answer: garden

Ex Output:
Fact 2


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

Ex Output:
Fact 2


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

Ex Output:

Fact 7