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 an impeller in your pump ?
What is interesting info for uranium ?
When did edward hargraves ?
Name two difference between rna and dna ?
[A]: When did edward hargraves ?


[Q]: What is the theory of mercantalism ?
What are the lowest temperatures of connecticut ?
What is the time differnce between toronto and vancouver ?
Who invented something in 1877 ?
[A]: What are the lowest temperatures of connecticut ?


[Q]: How many minutes to toast some bread ?
In what units is it maesured weight ?
How do you change plugs on 2000 dodge intrepid 3.2 ?
What is the 2008 science month theme ?
[A]:
In what units is it maesured weight ?