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 jacob 's mama 's name ?
How can hydrogen be tested for ?
What is the most popular type of rock ?
Advantages of keeping animals in zoos ?
A: 
Advantages of keeping animals in zoos ?