Q: Keywords: field, organism, study
What is a sentence that includes all these keywords?

A: field of study in which unrelated organisms come to resemble each other

Q: Keywords: bedroom, poster, wall
What is a sentence that includes all these keywords?

A: A bedroom has many posters on the wall.

Q: Keywords: build, carry, commander, mail, sleigh
What is a sentence that includes all these keywords?

A:
a sleigh carrying the mail through a tunnel built by military commander