Q: Keywords: crowd, greet, motorcade
What is a sentence that includes all these keywords?

A: astronaut greeted by crowds of people as he is escorted by motorcade on an official visit

Q: Keywords: forest, lichen, tree
What is a sentence that includes all these keywords?

A: lichen on mossy trees in a damp forest .

Q: Keywords: class, lecturer, university
What is a sentence that includes all these keywords?

A:
serious lecturer preparing a class in the library at the university