For example, wood in the match stick (which contains carbon, oxygen, and hydrogen), plus oxygen in the air combine in a chemical reaction to form water (which contains oxygen and hydrogen), carbon, and carbon dioxide (which contains carbon and oxygen).
(the match stick; contains; carbon, oxygen, and hydrogen) (wood in the match stick (which contains carbon, oxygen, and hydrogen), plus oxygen in the air; combine; in a chemical reaction to form water (which contains oxygen and hydrogen), carbon, and carbon dioxide) (a chemical reaction to form water; contains; oxygen and hydrogen) (carbon dioxide; contains; carbon and oxygen)
the match stick wood in the match stick (which contains carbon, oxygen, and hydrogen), plus oxygen in the air a chemical reaction to form water carbon dioxide
contains combine contains contains
carbon, oxygen, and hydrogen
in a chemical reaction to form water (which contains oxygen and hydrogen), carbon, and carbon dioxide
oxygen and hydrogen
carbon and oxygen