Rebecca tried to play ball wasn't very good, Jennifer was great, so 
OPTIONS:
- Rebecca offered to help.
- Jennifer offered to help.
Jennifer offered to help.

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.

Erin loves the taste of chocolate but Kayla does not. 
OPTIONS:
- Erin ordered a big slice of chocolate cake.
- Kayla ordered a big slice of chocolate cake.
Erin ordered a big slice of chocolate cake.