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

Sentence: 'a red train sitting at an empty station'. Replace the letter 'i' with 'h' in the sentence.
a red trahn shtthng at an empty stathon

Sentence: 'a person that is sitting under an umbrella'. Replace the letter 'a' with 'l' in the sentence.
l person thlt is sitting under ln umbrelll

Sentence: 'man about to perform task on nintendo wii'. Replace the letter 'n' with 'p' in the sentence.

map about to perform task op piptepdo wii