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

Ex Input:
Sentence: 'bags of seeds with a pair of black scissors sitting on them'. Replace the letter 'b' with 'y' in the sentence.

Ex Output:
yags of seeds with a pair of ylack scissors sitting on them


Ex Input:
Sentence: 'a black and white picture of a hitter awaiting a pitch while a teammate stands in the on deck circle'. Replace the letter 'a' with 'm' in the sentence.

Ex Output:
m blmck mnd white picture of m hitter mwmiting m pitch while m temmmmte stmnds in the on deck circle


Ex Input:
Sentence: 'a close up of a man holding two children'. Replace the letter 'w' with 'a' in the sentence.

Ex Output:

a close up of a man holding tao children