The standard four food groups are based on American agricultural lobbies. Why do we have a milk group? Because we have a National Dairy Council. Why do we have a meat group? Because we have an extremely powerful meat lobby.
A 14-line lyric poem that often explores and resolves a focused theme. Italian (or Petrarchan) sonnets are divided into two quatrains and a six-line "sestet"; English (or Shakespearean) sonnets are composed of three quatrains and a final couplet. English sonnets are written generally in iambic pentameter.