Problem: Ian asked Kevin how to shoot a handgun, because

My choice: Ian wants to learn shooting from a handgun.

Problem: Joe stacked the paperback books above the blue binders, so the

My choice: books were on the top.

Problem: Kelly replaced her plastic water cup with a glass one so she would see what she was drinking, the

My choice: plastic was obscure.

Problem: The article was rejected by the newspaper but accepted by the magazine; the

My choice:
newspaper thought it was unsuitable for its readers.