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

Answer: She always clad herself in black.

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

Answer: John asks in which box he put the book.

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

Answer:
Americans have paying income tax ever since 1913.