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

Sentence: 'a man on the news, watched on the television'. Replace the letter 'o' with 'z' in the sentence.
a man zn the news, watched zn the televisizn

Sentence: 'a close up of a train on train tracks at night'. Replace the letter 'n' with 'm' in the sentence.
a close up of a traim om traim tracks at might

Sentence: 'a tennis player runs towards the ball during a match'. Replace the letter 'a' with 'm' in the sentence.
m tennis plmyer runs towmrds the bmll during m mmtch