Task: Question Answering
Input (English): Which of the following is the most plausible explanation for the protective effect of dietary fibre against cancer of the colon, as of 2020?

(A)Propionic acid, formed during colonic fibre fermentation inhibits liver fatty acid synthesis (B)Butyric acid, formed during colonic fibre fermentation stimulates "silencing" of the SLC5A8 tumour suppressor gene (C)None of these options are correct (D)Butyric acid, formed during colonic fibre fermentation stimulates anti-oxidant defences in the colon
Output (English): D