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- Daniel journeyed to the bathroom. Fact 2- Daniel travelled to the hallway. Question: Where is Daniel? Answer: hallway

Ex Output:
Fact 2


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

Ex Output:
Fact 2


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. Fact 5- Daniel went back to the office. Fact 6- Mary journeyed to the bedroom. Question: Where is Sandra? Answer: garden

Ex Output:

Fact 4