Given the following list of words, come up with a sentence using as many of them as possible.
Rainbow, Song, Cat, Inception
The Cat purred softly while laying on the couch, dreaming of chasing a Rainbow in her Inception-like dream, as a Song played in the background.
Complete the following task based on the instruction and optional input provided.### Instruction:
Given the following list of words, come up with a sentence using as many of them as possible.

### Input:
Rainbow, Song, Cat, Inception

### Output:
The Cat purred softly while laying on the couch, dreaming of chasing a Rainbow in her Inception-like dream, as a Song played in the background.