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: Why was the gold rush important to ca ?
What are the significant results of magellan 's expedition ?
Famous female singer ever ?
What planet rotates on its axis backwards ?
Output:
Famous female singer ever ?