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

Ex Input:
Sentence: 'a man in a field standing as a ball comes through the air towards him'. Replace the letter 'u' with 'j' in the sentence.

Ex Output:
a man in a field standing as a ball comes throjgh the air towards him


Ex Input:
Sentence: 'broccoli and cooked meat arranged on a plate'. Replace the letter 'c' with 'l' in the sentence.

Ex Output:
brolloli and looked meat arranged on a plate


Ex Input:
Sentence: 'a plane flying low to crop dust a field'. Replace the letter 'd' with 'u' in the sentence.

Ex Output:

a plane flying low to crop uust a fielu