He took away and sharpened the blades of the knife that was on the floor near the plant. Therefore the 
OPTIONS:
- knife is dangerous.
- plant is dangerous.
knife is dangerous.

His partner looked behind the wall for him, but found him hiding in the foyer instead, as the 
OPTIONS:
- wall was a bad place to hide.
- foyer was a bad place to hide.
wall was a bad place to hide.

He thought the city was simple to drive through compared to the country, because the 
OPTIONS:
- city map had incorrect directions.
- country map had incorrect directions.
country map had incorrect directions.