Instructions: 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.
Input: How many centimetres in 0.5 metres ?
Who inventd the cassette tape ?
What date does spring break fall on for2009 ?
Cleaning egr valve on 2002 ford explorer ?
Output:
Who inventd the cassette tape ?