Should this sentence be rewritten?
A scientist studies the universe.
No, the sentence "A scientist studies the universe" is grammatically correct and does not need to be rewritten.
Complete the following task based on the instruction and optional input provided.### Instruction:
Should this sentence be rewritten?

### Input:
A scientist studies the universe.

### Output:
No, the sentence "A scientist studies the universe" is grammatically correct and does not need to be rewritten.