TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'giraffe standing on a pile of rocks reaching up to a branch with its mouth'. Replace the letter 'g' with 'n' in the sentence.

SOLUTION: niraffe standinn on a pile of rocks reachinn up to a branch with its mouth

PROBLEM: Sentence: 'he is making a meal on the boat and the man behind is getting out chopsticks and the other one is sitting'. Replace the letter 'e' with 'j' in the sentence.

SOLUTION: hj is making a mjal on thj boat and thj man bjhind is gjtting out chopsticks and thj othjr onj is sitting

PROBLEM: Sentence: 'a man and two kids and wearing bandanas'. Replace the letter 'a' with 'c' in the sentence.

SOLUTION:
c mcn cnd two kids cnd wecring bcndcncs