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

Q: Sentence: 'a lonley giraffe is making a trek in the wild'. Replace the letter 'r' with 'h' in the sentence.

A: a lonley gihaffe is making a thek in the wild
****
Q: Sentence: 'the cargo train is headed to the next destination'. Replace the letter 'h' with 'x' in the sentence.

A: txe cargo train is xeaded to txe next destination
****
Q: Sentence: 'a red metal traffic sign with stop underlined and with an exclamation point'. Replace the letter 's' with 'a' in the sentence.

A:
a red metal traffic aign with atop underlined and with an exclamation point
****