sentences:  Some peşrevs, called "batak" or "karabatak" are so organized as to instigate a form of question and answer between instruments.If the "hane"s are to be marked with [A, C, D, E] and the "teslim" with [B], the regular structure of a peşrev would be A+B/C+B/D+B/E+B, thus always ending with the "teslim".For some, the "teslim" is also the first "hane"; therefore they have the structure