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

[EX Q]: Sentence: 'a crowd looking at a trio of planes that are sitting idle'. Replace the letter 'a' with 'e' in the sentence.
[EX A]: e crowd looking et e trio of plenes thet ere sitting idle

[EX Q]: Sentence: 'several older electronics, including cellular phones and a palm pilot with a  broken screen next to each other in white box enclosure'. Replace the letter 'u' with 't' in the sentence.
[EX A]: several older electronics, incltding celltlar phones and a palm pilot with a  broken screen next to each other in white box enclostre

[EX Q]: Sentence: 'the three trains are stopped on the railroad tracks'. Replace the letter 'n' with 't' in the sentence.
[EX A]:
the three traits are stopped ot the railroad tracks