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

[Q]: Sentence: 'a boy riding his skate board on an obstacle course'. Replace the letter 'e' with 'b' in the sentence.
[A]: a boy riding his skatb board on an obstaclb coursb


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


[Q]: Sentence: 'a number of people on a beach with a kite flying above'. Replace the letter 't' with 'y' in the sentence.
[A]:
a number of people on a beach wiyh a kiye flying above