Haiku+and+Limericks

A Haiku is three lines. (Not two, not four....THREE.) A Haiku does not have to rhyme. It has a total of 17 syllables. The first line has 5 syllables. The second line has 7 syllables. The third line has 5 syllables. These numbers are not nebulous. They are exact.
 * Haiku and Limericks**
 * Haiku**

Haiku example: This February I will write a new po-em Before our big break

A limerick has five lines. (Not four,...you get the idea.) The first two lines and the 5th line all rhyme with each other, but NOT the same word. The third and fourth lines rhyme with each other, but not with lines 1,2 and 5.
 * Limericks**

A A B B A

//Hippos: A limerick// The hippo story is really quite long. Be careful of lions because they're so strong. It happened in the past When I ran really fast I think I should make it a song.