Q: Keywords: lead, plane, stair
What is a sentence that includes all these keywords?

A: A passenger plane that has some stairs leading up to the fuselage.

Q: Keywords: leave, minister, politician
What is a sentence that includes all these keywords?

A: prime minister left delivering a speech during the visit of politician

Q: Keywords: library, room, turn
What is a sentence that includes all these keywords?

A:
turning a dining room into a library