Instructions: 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.
Input: What is the value of a AK47 ?
What where the stages of the Black Death ?
How do they use geothermal energy in berlin ?
Is citric acid ionic or covalent compound ?
Output:
Is citric acid ionic or covalent compound ?