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

[Q]: Sentence: 'a gray elephant standing next to green bushes'. Replace the letter 'e' with 'o' in the sentence.
[A]: a gray olophant standing noxt to groon bushos

[Q]: Sentence: 'a baseball player holding a baseball bat during a baseball game'. Replace the letter 'a' with 'u' in the sentence.
[A]: u busebull pluyer holding u busebull but during u busebull gume

[Q]: Sentence: 'a toddler holding a soccer ball on a field'. Replace the letter 'a' with 't' in the sentence.
[A]:
t toddler holding t soccer btll on t field