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: greengrass ( working from don mullan's script ) forgoes the larger socio-political picture of the situation in northern ireland in favour of an approach that throws one in the pulsating thick of a truly frightening situation .
Output: 


Output: positive