We’re all pretty familiar with the haiku with its 5-7-5 rhythm, but let’s beef it up today and write a Tanka
Tanka consist of five units (often treated as separate lines when romanized or translated) usually with the following pattern of on (often treated as, roughly, the number of syllables per unit or line): 5-7-5-7-7.

“Tank” flickr photo by jtcoleman shared under a Creative Commons (BY-NC-ND) license
(Not like this, this is a tank!)
Tweet your response to @ds106dc and be sure to include the hashtag #tdc3855
Tweet your response to @ds106dc and be sure to include the hashtag #tdc3861
Don't Want to Tweet Your Response? Really?