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

Ex Input:
Sentence: 'man holding pair of red handled scissor in front of face'. Replace the letter 'i' with 'f' in the sentence.

Ex Output:
man holdfng pafr of red handled scfssor fn front of face

Ex Input:
Sentence: 'a kitchen with a fridge, stove, window, and dining table'. Replace the letter 'd' with 'f' in the sentence.

Ex Output:
a kitchen with a frifge, stove, winfow, anf fining table

Ex Input:
Sentence: 'young girl holding cellphone that is one and lit up'. Replace the letter 'a' with 'q' in the sentence.

Ex Output:
young girl holding cellphone thqt is one qnd lit up