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

[EX Q]: Sentence: 'a tennis player throwing a ball at the ground'. Replace the letter 'r' with 'f' in the sentence.
[EX A]: a tennis playef thfowing a ball at the gfound

[EX Q]: Sentence: 'a number of people sitting on chairs near each other'. Replace the letter 'c' with 'm' in the sentence.
[EX A]: a number of people sitting on mhairs near eamh other

[EX Q]: Sentence: 'some little kids getting a skiing lesson'. Replace the letter 'e' with 'k' in the sentence.
[EX A]:
somk littlk kids gktting a skiing lksson