instruction: Is the next sentence syntactically and semantically acceptable?

They said that Tom was working, and working he is.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

He seems to become more corrupt, if any senator talks to more lobbyists.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I want to sing

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I love but you hate ice milk tea.

response:
acceptable