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- John moved to the bedroom. Fact 2- Mary went back to the bedroom. Question: Where is Mary? Answer: bedroom
Fact 2

Passage: Fact 1- Mary went to the hallway. Fact 2- Daniel went to the bathroom. Fact 3- Mary went to the bedroom. Fact 4- Mary went to the kitchen. Question: Where is Mary? Answer: kitchen
Fact 4

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

Fact 6