instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'people watching a kite being flown with a sky background'. Replace the letter 'a' with 'b' in the sentence.
answer:
people wbtching b kite being flown with b sky bbckground

question:
Sentence: 'a male holding a baseball bat standing on a big white star'. Replace the letter 'a' with 'i' in the sentence.
answer:
i mile holding i bisebill bit stinding on i big white stir

question:
Sentence: 'a school bus stopped outside a running room gym'. Replace the letter 'm' with 'c' in the sentence.
answer:
a school bus stopped outside a running rooc gyc