Problem: How does the sentence end?

Jane tried a chisel to cut the slate but it never worked so he used a cutter. The 
OPTIONS:
- chisel is blunt.
- cutter is blunt.
Answer: chisel is blunt.

Problem: How does the sentence end?

Joel wants to learn how to calculate asset impairment so he asks Derrick for help, because 
OPTIONS:
- Joel knows how to do it well.
- Derrick knows how to do it well.
Answer: Derrick knows how to do it well.

Problem: How does the sentence end?

James tried to get the drug into the jar before the man arrived, but there is still some left on the table. The 
OPTIONS:
- drug is too small.
- jar is too small.
Answer: jar is too small.

Problem: How does the sentence end?

Rachel was sad that Betty wouldn't eat the lemon drop cookies because 
OPTIONS:
- Rachel baked them with too much sugar.
- Betty baked them with too much sugar.
Answer:
Rachel baked them with too much sugar.