Edit this sentence to remove any redundancies
The idea behind this experiment is to understand the underlying principles behind it.
The purpose of this experiment is to understand its underlying principles.
Complete the following task based on the instruction and optional input provided.### Instruction:
Edit this sentence to remove any redundancies

### Input:
The idea behind this experiment is to understand the underlying principles behind it.

### Output:
The purpose of this experiment is to understand its underlying principles.