The most accurate description of the relationship between producers, consumers, and decomposers in the food web cycle is:
Producers are consumed by consumers only to be decomposed by decomposers. This dead matter is used to feed producers to start the cycle again.
This explanation accurately reflects the flow of energy and matter in an ecosystem, where producers (like plants) create energy through photosynthesis, consumers (like animals) eat those producers, and when living organisms die, decomposers (like bacteria and fungi) break down the dead material, returning nutrients back to the soil to support new plant growth, thus continuing the cycle.