instruction: Is the next sentence syntactically and semantically acceptable?

Jason persuaded Medea to be treated by the doctor

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Ten pounds was weighed by the package.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

John carefully studies Russian.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The squirrel ran right up the tree.

response:
acceptable