Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: Plants use cellulose for their cell walls. If the plant is green, it is a producer. Producers use cellulose for their cell walls.
 The question and answer:
user
What kind of organism use cellulose for their cell walls?
Options:
- (A) parasites
- (B) animals
- (C) Conifers
- (D) fungus
- (E) vegetation
- (F) producers
- (G) amoeba
- (H) viruses
The answer is (F)
assistant