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

Sentence: 'a city street at dusk time with traffic'. Replace the letter 'i' with 'm' in the sentence.
a cmty street at dusk tmme wmth traffmc

Sentence: 'a man laying stretched out on the back of a boat'. Replace the letter 'h' with 'g' in the sentence.
a man laying stretcged out on tge back of a boat

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