(ENEM 2016) BOGOF is used as a noun as in 'There are some great bogofs an at the supermarket' or an adjective, usually with a word such as `offerl or `deall — `there are some great bogof offers in store'.

When you combine the first letters of the words in a phrase or the name of an organisation, you have an acronym. Acronyms are spoken as a word so NATO (North Atlantic Treaty organisation} is not pronounced N-A-T-O. We say NATO. Bogof, when said out loud, is quite comical for a native speaker, as it sounds like an insult, `Bog off!' meaning go away, leave me alone, silightly childish and a little old-fashioned.

BOGOF is the best-known of the supermarket marketing strategies. The concept was first imported from the USA during the 1970s recession, when food prices were very high. R carne back into fashion in the late 1990s, Ied by big supermarket chains trying to gain a competitive advantage over each other. Consumers were attracted by the idea that they could get something for nothing. Who could possibly say ‘no'?

Disponível em: www.bbc.co.uk. Acesso em: 2 ago. 2012 (adaptado).

Considerando-se as informações do texto, a expressão "bogof” é usada para