Story needs to be completed:
Steven was more interested in planning his vacation than Justin because

My choice:
Steven had always wanted to travel.

Story needs to be completed:
The chair was nicer to sit in than the sofa because the

My choice:
chair had more cushions.

Story needs to be completed:
Justin provided thorough and concise legal advice for Christopher in their office because

My choice:
Justin was an attorney.

Story needs to be completed:
When deciding if to be a loner, one must decide if they want many social events or plenty of free time. The

My choice:
events angle helps with sociability.