TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a well dressed man standing near his early bicycle'. Replace the letter 'e' with 'd' in the sentence.

SOLUTION: a wdll drdssdd man standing ndar his darly bicycld

PROBLEM: Sentence: 'a young baseball player throws the ball as others watch'. Replace the letter 'a' with 'n' in the sentence.

SOLUTION: n young bnsebnll plnyer throws the bnll ns others wntch

PROBLEM: Sentence: 'a bunch of elephants that are standing in the water'. Replace the letter 't' with 'w' in the sentence.

SOLUTION:
a bunch of elephanws whaw are swanding in whe wawer