Identify the three words in a sentence that appear most frequently.
The cat sat on the mat and licked its paw
The three most frequently appearing words in the sentence "The cat sat on the mat and licked its paw" are "the," "cat," and "sat."
Complete the following task based on the instruction and optional input provided.### Instruction:
Identify the three words in a sentence that appear most frequently.

### Input:
The cat sat on the mat and licked its paw

### Output:
The three most frequently appearing words in the sentence "The cat sat on the mat and licked its paw" are "the," "cat," and "sat."