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

Sentence: 'a street pole stating three different street names and numbers'. Replace the letter 'm' with 't' in the sentence.
a street pole stating three different street nates and nutbers

Sentence: 'there is a stepladder situated over a toilet'. Replace the letter 'r' with 'x' in the sentence.
thexe is a stepladdex situated ovex a toilet

Sentence: 'a dog carrying frisbee in its own mouth'. Replace the letter 'o' with 'u' in the sentence.

a dug carrying frisbee in its uwn muuth