Sentence examples for this is a puzzle from inspiring English sources

This is a puzzle.

This is a puzzle in a place generally known for its freewheeling ways.

This is a puzzle that increases exponentially in complexity with the number of cities considered.

This is a puzzle I'm going to be thinking about a lot.

"This is a puzzle, and you're collecting pieces of the puzzle," he said.

And this is a puzzle to love, yet it feels to me as if it's a puzzle from another time.

This is a puzzle-solving competition, not a mountain-climbing expedition.

This was a puzzle constructed with no little LOVE.

This was a puzzle, and Steinkuehler wanted to figure it out.

This was a puzzle I'd have to solve on my own.

First of all, when I was even younger, nobody thought this was a puzzle.