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

Ex Input:
Sentence: 'a truck transports things down the road'. Replace the letter 'd' with 's' in the sentence.

Ex Output:
a truck transports things sown the roas


Ex Input:
Sentence: 'a close shot of a stop sign near a building'. Replace the letter 'b' with 'u' in the sentence.

Ex Output:
a close shot of a stop sign near a uuilding


Ex Input:
Sentence: 'a vase with flowers in it that is wilting away'. Replace the letter 'w' with 'q' in the sentence.

Ex Output:

a vase qith floqers in it that is qilting aqay