In this task, you need to replace a letter in the sentence with another given letter.

Sentence: 'a baseball player swinging a bat at a ball'. Replace the letter 's' with 'n' in the sentence.
a baneball player nwinging a bat at a ball

Sentence: 'commuter trains on tracks next to paved platform'. Replace the letter 'm' with 'w' in the sentence.
cowwuter trains on tracks next to paved platforw

Sentence: 'three coffee cups on a ledge holding toothbrushes'. Replace the letter 's' with 'q' in the sentence.

three coffee cupq on a ledge holding toothbruqheq