Poetry Writing - Tanka

We have been learning to write a Japanese type of poem called a Tanka.  A Tanka has a certain number of syllables in each line and there are 5 lines.

The first line has 5 syllables
The second line has 7 syllables
The third line has 5 syllables.
The fourth line has 7 syllables.
The fifth line has 7 syllables