Given the task definition and input, reply with output. 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.

Why does bella have a lullaby in twilght ?
What are the roles of the men ?
Can squid eat krill ?
How many floors is there in the silver trench ?
How many floors is there in the silver trench ?