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

Positive Example 1 -
Input: if you sometimes like to go to the movies to have fun , wasabi is a good place to start .
Output: positive

Positive Example 2 -
Input: this is a film well worth seeing , talking and singing heads and all .
Output: positive

Negative Example 1 -
Input: creepy but ultimately unsatisfying thriller .
Output: positive

Negative Example 2 -
Input: the film often achieves a mesmerizing poetry .
Output: negative

Now complete the following example -
Input: i didn't find much fascination in the swinging . what they're doing is a matter of plumbing arrangements and mind games , of no erotic or sensuous charge . but that they are doing it is thought-provoking .
Output: 


Output: negative