Problem: Produce a sentence that would be considered grammatically acceptable (OPTIONS:
- unacceptable
- acceptable)

Answer: Lewis shipped Sam a bicycle, but it never arrived.

Problem: Produce a sentence that would be considered grammatically unacceptable (OPTIONS:
- unacceptable
- acceptable)

Answer: Too much vehicles are damaged by salt.

Problem: Produce a sentence that would be considered grammatically unacceptable (OPTIONS:
- unacceptable
- acceptable)

Answer:
I am not certain about if he will come.