instruction: Is the next sentence syntactically and semantically acceptable?

We put.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The cat put her catnip toy on the plastic mat.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

John runs into the house.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

If Fiona is here by 5 o'clock, we can go to the party.

response:
acceptable