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

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

[EX Q]: Sentence: 'red helicopter with landing wheels flying in the sky'. Replace the letter 'h' with 'y' in the sentence.
[EX A]: red yelicopter wity landing wyeels flying in tye sky

[EX Q]: Sentence: 'a giraffe standing in dirt patch with water and bushes in the background'. Replace the letter 'e' with 'u' in the sentence.
[EX A]:
a giraffu standing in dirt patch with watur and bushus in thu background