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

Sentence: 'there are peoople standign next to a bike'. Replace the letter 'o' with 't' in the sentence.
there are pettple standign next tt a bike

Sentence: 'a pizza sitting on top of a metal pizza pan'. Replace the letter 'p' with 't' in the sentence.
a tizza sitting on tot of a metal tizza tan

Sentence: 'it looks as though everything is covered with ice and snow'. Replace the letter 'o' with 'b' in the sentence.

it lbbks as thbugh everything is cbvered with ice and snbw