Classify given movie review into two categories: positive, or negative based on its content.

Input: Consider Input: there is a certain sense of experimentation and improvisation to this film that may not always work , but it is nevertheless compelling .

Output: positive


Input: Consider Input: tender yet lacerating and darkly funny fable .

Output: positive


Input: Consider Input: nohe has made a decent 'intro' documentary , but he feels like a spectator and not a participant .


Output: negative