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

[Q]: Sentence: 'a crowd watches as giraffes graze the tree tops at the zoo'. Replace the letter 't' with 'q' in the sentence.
[A]: a crowd waqches as giraffes graze qhe qree qops aq qhe zoo

[Q]: Sentence: 'a hand holding part of a sponge with scissors nearby'. Replace the letter 'o' with 'e' in the sentence.
[A]: a hand helding part ef a spenge with scissers nearby

[Q]: Sentence: 'a red bull is grazing in a pasture'. Replace the letter 'i' with 'x' in the sentence.
[A]:
a red bull xs grazxng xn a pasture