instruction:
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.
question:
What is an impeller in your pump ?
What is interesting info for uranium ?
When did edward hargraves ?
Name two difference between rna and dna ?
answer:
When did edward hargraves ?


question:
What is magnesium chloride 's chemical formula ?
How much does a philosopher earn a year ?
Wher is the univirsity of Yale located ?
What is is largest mammal ?
answer:
Wher is the univirsity of Yale located ?


question:
Lightness or darkness of a color is its what ?
What can i do with a master 's degree in sociology ?
What are some features of Windows NT ?
How much does a dental nurse earn in England ?
answer:

Lightness or darkness of a color is its what ?