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 year did they found delaware ?
What did henry hudson discover during his exploration ?
Obstacles Francisco Coronado encountered on his voyage ?
Who discovered shale rock ?
Output:
Obstacles Francisco Coronado encountered on his voyage ?