Find a way to make the following sentence shorter but still convey the same meaning:
The reason why I have to do this task is because it is important.
I must complete this task because it's important.
Complete the following task based on the instruction and optional input provided.### Instruction:
Find a way to make the following sentence shorter but still convey the same meaning:

### Input:
The reason why I have to do this task is because it is important.

### Output:
I must complete this task because it's important.