Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

On food inflation, the main price drivers were mineral water, soft drinks, fruit and vegetable juices (14.5 percent); coffee, tea and cocoa (14.3%); food products (13.9 percent); sugar, jam, honey, chocolate and confectionery (13.8 percent); meat and meat products (11.6 percent); milk, cheese and eggs (9.6 percent) and vegetables (9.3 percent).

Answer: product_or_material_produced: cocoa, chocolate