Build a classifier to identify whether a given text contains a positive sentiment or not.
It was fantastic!
The input text "It was fantastic!" is classified as having positive sentiment.
Complete the following task based on the instruction and optional input provided.### Instruction:
Build a classifier to identify whether a given text contains a positive sentiment or not.

### Input:
It was fantastic!

### Output:
The input text "It was fantastic!" is classified as having positive sentiment.