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 is the pathogen of rubella ?
Where did Christoper columbus discover ?
What is the political situation now ?
What is metal stored in your bones called ?

A: Where did Christoper columbus discover ?
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Q: What simple machine represents cracking a nut ?
What is the ratio of 143 to 23 ?
Are scene kids awesome or is it just you ?
Plaque that has hardend around gums can cause ?

A: Plaque that has hardend around gums can cause ?
****
Q: How many milliliters are in a half of cup of water ?
What is zip code in santiago dominican republic ?
Where are the biggest and most expensive house in britain ?
How much is a 1961 new zealand penny worth ?

A:
Where are the biggest and most expensive house in britain ?
****