Problem: Question: Where can you buy previously owned metal items? Options: - instruments - hobby lobby - junkyard - ore - car  Explain why a human would choose "junkyard" to answer the question above:

A: the place where metal is sold is in the junkyard
Problem: Given the question: Question: What could hydrogen be added to to cause it to explode? Options: - universe - chemistry lab - ocean - texas - air  Explain why a human would choose "air" to answer the question above:
++++++++++++++++++++++++++++++++
The answer is:
the mixture between air and hydrogen can generate a bomb
input question: Question: Sam thought that his efforts were necessary, but in reality the accomplished nothing.  They were what? Options: - superfluous - useless - swap cs - unneeded - useless  Explain why a human would choose "useless" to answer the question above:???
output answer: useless activities would accomplish nothing in a task
Question: Authors have a wide range of emotions from relief to happiness when they finally what? Options: - complete writing - write books - word passage - start book - write poems  Explain why a human would choose "complete writing" to answer the question above:
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Answer: completing something takes time and effort.
Q: Question: Where could you find passengers that are planning to travel to another continent? Options: - car - bus depot - bus stop - library - airport  Explain why a human would choose "airport" to answer the question above:
A: they use only flights for transportation
[Q]: Question: Where can one attend a famous bazaar? Options: - china - festival - istanbul - arabia - india  Explain why a human would choose "india" to answer the question above:
****
[A]:
shop in india country