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 were the Chinese fighting for in the Chinese Revolution ?
Where is the pituitary located in the brain ?
What is differ between a hot and cold front ?
Where do you get mesa in spectrobes ?
answer:
What is differ between a hot and cold front ?

question:
What happened during the year 2007 ?
What region is Minden Louisiana in ?
Is there a website to identify birds of pennsylvania ?
How much oil does a pound of shelled peanut have ?
answer:
How much oil does a pound of shelled peanut have ?

question:
Pin code for san diego ?
Has same-sex marriage been legalized in Alabama ?
What college should you go to for music business ?
How do you replace fuel pressure regulator on 2001 hyundai santa fe 2.4 l ?
answer:
Pin code for san diego ?