Q: Keywords: come, rail, train
What is a sentence that includes all these keywords?

A: There is a train that is coming towards us on the rail

Q: Keywords: carnival, prize, win
What is a sentence that includes all these keywords?

A: A girl holds a prize won at a carnival.

Q: Keywords: bloom, city, flower
What is a sentence that includes all these keywords?

A:
blooming pink flowers and spring time in the city