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 office. Fact 2- Daniel went to the bedroom. Fact 3- Daniel journeyed to the bathroom. Fact 4- Sandra went to the bedroom. Fact 5- Mary journeyed to the hallway. Fact 6- Daniel travelled to the kitchen. Question: Where is Daniel? Answer: kitchen

Ex Output:
Fact 6


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

Ex Output:
Fact 1


Ex Input:
Passage: Fact 1- Sandra travelled to the hallway. Fact 2- John journeyed to the bathroom. Fact 3- John went to the garden. Fact 4- John went to the kitchen. Question: Where is John? Answer: kitchen

Ex Output:

Fact 4