You are given a list of queries separated by new line. Your job is to answer with the query that is the most well-formed or well-structured query in terms of grammar, punctuations, or spelling errors.

Q: Where would the vegetations and soil of tropical regions be located ?
When is he end of the mayans calender ?
How do you chang a 2002 ford focus svt headlight bulb ?
Instruments to measure mass and volume ?

A: Where would the vegetations and soil of tropical regions be located ?
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Q: What are the different relationships of an ecosystem ?
How many songs has Avril Lavign san ?
Business cycle in 1920 and 1930 ?
How did Nelson Mandela played in abolishing apartheid ?

A: What are the different relationships of an ecosystem ?
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Q: Name of the tail bone ?
What challenges did simon fraser face ?
What is sean P Diddy comes net worth ?
The units used to mrsdure the mass of the body are ?

A:
What challenges did simon fraser face ?
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