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

[Q]: Sentence: 'a person with a cell phone standing next to a train'. Replace the letter 's' with 't' in the sentence.
[A]: a perton with a cell phone ttanding next to a train


[Q]: Sentence: 'a group of sheep is standing in a grassy field'. Replace the letter 'g' with 'p' in the sentence.
[A]: a proup of sheep is standinp in a prassy field


[Q]: Sentence: 'an overpass connecting to a building over a street'. Replace the letter 'e' with 'r' in the sentence.
[A]:
an ovrrpass connrcting to a building ovrr a strrrt