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

Sentence: 'a person holding a green cell phone in a classroom with many desks'. Replace the letter 'k' with 'w' in the sentence.
a person holding a green cell phone in a classroom with many desws

Sentence: 'giraffes behind a fence in the trees'. Replace the letter 'h' with 'l' in the sentence.
giraffes belind a fence in tle trees

Sentence: 'a bench made from a split log in the middle of the forest'. Replace the letter 'i' with 'z' in the sentence.

a bench made from a splzt log zn the mzddle of the forest