instruction: Is the next sentence syntactically and semantically acceptable?

What Henry found is Bill sad.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

They said him to be rich.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Who seemed to have left first?

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Kim seems to be just surviving, and Terry in dire need of our help.

response:
acceptable