instruction: Is the next sentence syntactically and semantically acceptable?

What Alison and David did was soak their feet in a bucket

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The builders destroyed the warehouse with explosives.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I saw the one with long hair.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Yeltsin saw Stalin holding the bag.

response:
acceptable