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

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

PROBLEM: Sentence: 'a couple of giraffes being feed by people at the zoo'. Replace the letter 't' with 'v' in the sentence.

SOLUTION: a couple of giraffes being feed by people av vhe zoo

PROBLEM: Sentence: 'a man cuts into a runny chcocate cake'. Replace the letter 'a' with 'u' in the sentence.

SOLUTION:
u mun cuts into u runny chcocute cuke