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

Sentence: 'a man that is on the back of an elephant'. Replace the letter 'c' with 'd' in the sentence.
a man that is on the badk of an elephant

Sentence: 'a no parking sign next to a car riding down a street'. Replace the letter 'g' with 'l' in the sentence.
a no parkinl siln next to a car ridinl down a street

Sentence: 'a large bird flying over a body of water'. Replace the letter 'd' with 'b' in the sentence.

a large birb flying over a boby of water