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.

Interesting facts about dessert grassland ?
How do you find the lewis dot configuration for oxygen ?
What continent is the Bering sea located ?
When was the first haockey puck invented ?
How do you find the lewis dot configuration for oxygen ?