Categorize the following text into one of the two sentiment classes: positive or negative.
I didn't like the product very much because it was too slow and not user friendly.
Negative
Complete the following task based on the instruction and optional input provided.### Instruction:
Categorize the following text into one of the two sentiment classes: positive or negative.

### Input:
I didn't like the product very much because it was too slow and not user friendly.

### Output:
Negative