Choose one sentence that has the same meaning as the root one:
It was not warm enough for us to take a leisurely walk.
It got warmer so we took a leisurely walk.
Thanks to warm weather, we took a leisurely walk.
We would have taken a leisurely walk if it had been warmer.
The warmth prevented us from taking a leisurely walk.
We would have taken a leisurely walk if it had been warmer.