instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man that is jumping a skateboard over something'. Replace the letter 'g' with 'j' in the sentence.
answer:
a man that is jumpinj a skateboard over somethinj


question:
Sentence: 'a pizza sitting on top of a metal pizza pan'. Replace the letter 'p' with 't' in the sentence.
answer:
a tizza sitting on tot of a metal tizza tan


question:
Sentence: 'a towering clocktower by a city street at night'. Replace the letter 't' with 'u' in the sentence.
answer:

a uowering clockuower by a ciuy sureeu au nighu