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

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 man wearing a hat has his cell phone to his ear'. Replace the letter 'g' with 'w' in the sentence.
a man wearinw a hat has his cell phone to his ear

Sentence: 'a group of people that are standing around sheep'. Replace the letter 'i' with 'm' in the sentence.

a group of people that are standmng around sheep