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

Sentence: 'a person on a snowboard does an air trick'. Replace the letter 'n' with 'o' in the sentence.
a persoo oo a soowboard does ao air trick

Sentence: 'a piece of chocolate cake is on a plate with a fork'. Replace the letter 'e' with 's' in the sentence.
a piscs of chocolats caks is on a plats with a fork

Sentence: 'a train that is driving by on the train tracks'. Replace the letter 'h' with 'd' in the sentence.
a train tdat is driving by on tde train tracks