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

Q: Sentence: 'the cargo train is headed to the next destination'. Replace the letter 'h' with 'x' in the sentence.

A: txe cargo train is xeaded to txe next destination
****
Q: Sentence: 'a baseball player running to third base from second'. Replace the letter 'a' with 'u' in the sentence.

A: u busebull pluyer running to third buse from second
****
Q: Sentence: 'a plane that is flying high above the power lines'. Replace the letter 'a' with 'j' in the sentence.

A:
j pljne thjt is flying high jbove the power lines
****