instruction: Is the next sentence syntactically and semantically acceptable?

There arrived by Medea.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The girl who the by works in a skyscraper and in a quonset but has a dimple on her nose.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The election results surprised everybody.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

John is prouder of having gone than people who don't know him would expect me to believe he would be.

response:
acceptable