Given the task definition and input, reply with output. You are given a list of queries separated by new line. Your job is to answer with the query that is the most well-formed or well-structured query in terms of grammar, punctuations, or spelling errors.

Rainforest burned in brazil ?
How do you find the place where latias is ?
How does altitude affect density of the air ?
When was the first artificial heart transplanted into a humanbeing ?
How does altitude affect density of the air ?