Correct me if I'm wrong but I believe it is phrase or clause containing three or more words at the beginning or end of a sentence.
I and a i think since it only counts as one
Answer:
All the pieces in Tetris have four blocks. The word "tetra" means four. Alexey named his game after tetra and tennis.
Explanation:
All tetris pieces have 4 blocks, and tetra means 4
