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

Sentence: 'a motorcycle sitting on the side of the road by grass'. Replace the letter 'r' with 't' in the sentence.
a mototcycle sitting on the side of the toad by gtass

Sentence: 'a person on a snow board flying through the air'. Replace the letter 'f' with 'n' in the sentence.
a person on a snow board nlying through the air

Sentence: 'there are children that are playing a soccer game'. Replace the letter 'a' with 'k' in the sentence.

there kre children thkt kre plkying k soccer gkme