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

Sentence: 'a person is waiting for a pizza to come out of an oven fired grill'. Replace the letter 's' with 'k' in the sentence.
a perkon ik waiting for a pizza to come out of an oven fired grill

Sentence: 'two police officers riding horses down the street'. Replace the letter 'o' with 'd' in the sentence.
twd pdlice dfficers riding hdrses ddwn the street

Sentence: 'a baseball player throwing a ball on a field'. Replace the letter 'f' with 'b' in the sentence.

a baseball player throwing a ball on a bield