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

Ex Output:
Fact 2


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

Ex Output:
Fact 6


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

Ex Output:

Fact 1