You are given a set of queries separated by '
', and your job is to find out the query which is not a well-formed or well-structured query in terms of grammar, punctuations, or spelling errors.
Q: What is the temperature metal melts ?
Reasons why you need to study computer ethics ?
How much money does a Heavy equipment operator make per year ?
What are the different relationships of an ecosystem ?
A: 
What is the temperature metal melts ?