Read the following information carefully and answer the question which follows: Farmers found using chemical fertilisers in the organic-farming area of their farms would be heavily fined. Which of the following statements is an assumption implicit in the given statement? (An assumption is something supposed or taken for granted.)

A

Chemical fertilisers harm the crop.

B

A farm's area for organic and chemical farming is different.

C

Farmers who do not use chemical fertilisers in the chemical farming area would be penalised as well.

D

All farmers undertake both these kinds of farming (chemical as well as organic: in their farms.

E

Organic fertilisers are banned in the area for chemical farming.