Q: Keywords: track, train, tree
What is a sentence that includes all these keywords?

A: a train on a track near many trees

Q: Keywords: building, condo, unit
What is a sentence that includes all these keywords?

A: condos rarely come on the market for sale here since there are units total in this building .

Q: Keywords: celebration, stand, student
What is a sentence that includes all these keywords?

A:
girl student stand in queue during the celebration .