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 garden. Fact 2- Mary went back to the bathroom. Fact 3- Daniel travelled to the kitchen. Fact 4- Sandra went to the kitchen. Question: Where is Sandra? Answer: kitchen

Ex Output:
Fact 4


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

Ex Output:
Fact 1


Ex Input:
Passage: Fact 1- Daniel went to the kitchen. Fact 2- Mary went back to the bedroom. Question: Where is Mary? Answer: bedroom

Ex Output:

Fact 2