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

Ex Input:
Sentence: 'a kid is sitting on a skateboard outside'. Replace the letter 'd' with 'a' in the sentence.

Ex Output:
a kia is sitting on a skateboara outsiae


Ex Input:
Sentence: 'a study table with computer, mouse and keyboard .photo frame are also kept'. Replace the letter 'u' with 'q' in the sentence.

Ex Output:
a stqdy table with compqter, moqse and keyboard .photo frame are also kept


Ex Input:
Sentence: 'a woman in a red dress holds a toddler outside of a house'. Replace the letter 'n' with 'r' in the sentence.

Ex Output:

a womar ir a red dress holds a toddler outside of a house