Produce a sentence which mentions all of these concepts: competition, cross, recur, runner

a runner crosses the finish line during recurring competition

Produce a sentence which mentions all of these concepts: cat, hearth, improve, sunshine, weather

a cat improves the garden wall in sunshine and the hearth in foul weather

Produce a sentence which mentions all of these concepts: celebrate, explode, year
fireworks explode over church as people celebrate the new year