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

Sentence: 'a couple of giraffe standing next to each other near  a fence'. Replace the letter 'f' with 'j' in the sentence.
a couple oj girajje standing next to each other near  a jence

Sentence: 'a cat with a pink bow sits underneath something silver'. Replace the letter 'h' with 'n' in the sentence.
a cat witn a pink bow sits underneatn sometning silver

Sentence: 'a small bus is stopped at a traffic light'. Replace the letter 'c' with 'o' in the sentence.

a small bus is stopped at a traffio light