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

[EX Q]: Sentence: 'children trying little hamburgers from a tray at school'. Replace the letter 'y' with 'l' in the sentence.
[EX A]: children trling little hamburgers from a tral at school

[EX Q]: Sentence: 'a large elephant standing outside beside a tree'. Replace the letter 'e' with 'y' in the sentence.
[EX A]: a largy ylyphant standing outsidy bysidy a tryy

[EX Q]: Sentence: 'looking up at a stone clock tower with weather vane'. Replace the letter 'e' with 'g' in the sentence.
[EX A]:
looking up at a stong clock towgr with wgathgr vang