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.

Passage: Fact 1- Daniel travelled to the garden. Fact 2- Mary went back to the kitchen. Fact 3- Mary went to the office. Fact 4- Mary travelled to the garden. Question: Where is Daniel? Answer: garden
Fact 1

Passage: Fact 1- Mary journeyed to the garden. Fact 2- Sandra went back to the office. Question: Where is Sandra? Answer: office
Fact 2

Passage: Fact 1- John went to the kitchen. Fact 2- John journeyed to the office. Fact 3- Daniel travelled to the bedroom. Fact 4- John journeyed to the kitchen. Fact 5- John journeyed to the office. Fact 6- Mary went back to the bathroom. Question: Where is Mary? Answer: bathroom

Fact 6