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.
Example: Passage: Fact 1- Mary moved to the bathroom. Fact 2- John went to the hallway. Question: Where is Mary? Answer: bathroom
Example solution: Fact 1
Example explanation: Fact 1- 'Mary moved to the bathroom.' is a supporting fact from which we can conclude that Mary is in bathroom therefore the output is- Fact 1.

Problem: Passage: Fact 1- Sandra went to the garden. Fact 2- Mary travelled to the garden. Fact 3- Sandra travelled to the kitchen. Fact 4- Daniel went back to the bedroom. Fact 5- Daniel went to the kitchen. Fact 6- Sandra travelled to the garden. Fact 7- Mary went back to the bedroom. Fact 8- Mary travelled to the kitchen. Fact 9- John travelled to the bathroom. Fact 10- Mary travelled to the hallway. Question: Where is Sandra? Answer: garden

Solution: Fact 6