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

Input: Consider Input: Sentence: 'the child is throwing the frisbee through the hoop'. Replace the letter 't' with 'm' in the sentence.

Output: mhe child is mhrowing mhe frisbee mhrough mhe hoop

Input: Consider Input: Sentence: 'vita mix blender with something in it already blended'. Replace the letter 'b' with 'a' in the sentence.

Output: vita mix alender with something in it already alended

Input: Consider Input: Sentence: 'two men stand on a field with baseball bats'. Replace the letter 'b' with 's' in the sentence.
Output: two men stand on a field with sasesall sats