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

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

[EX Q]: Sentence: 'a woman standing in front of a bear in an enclosure'. Replace the letter 'e' with 'r' in the sentence.
[EX A]: a woman standing in front of a brar in an rnclosurr

[EX Q]: Sentence: 'a dog wearing a hat and sitting in the grass'. Replace the letter 't' with 'v' in the sentence.
[EX A]:
a dog wearing a hav and sivving in vhe grass