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

[Q]: Sentence: 'a man on a horse in riding gear looking onward'. Replace the letter 'o' with 'h' in the sentence.
[A]: a man hn a hhrse in riding gear lhhking hnward


[Q]: Sentence: 'a person on a surfboard riding in ocean waves'. Replace the letter 's' with 'g' in the sentence.
[A]: a pergon on a gurfboard riding in ocean waveg


[Q]: Sentence: 'a dozen donuts are nicely arrange din a box'. Replace the letter 'y' with 'i' in the sentence.
[A]:
a dozen donuts are niceli arrange din a box