Donald's hobby was hiking while Kyle liked to read, so
OPTIONS:
- Donald spent a lot of time indoors.
- Kyle spent a lot of time indoors.
Kyle spent a lot of time indoors.

The audience at the opera concert was kicked out because the
OPTIONS:
- audience was starting trouble.
- concert was starting trouble.
audience was starting trouble.

The walk in the gym was more comfortable than the walk in the woods because it was hotter in the
OPTIONS:
- woods .
- gym .
woods .