instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a woman is playing tennis on the tennis court'. Replace the letter 'r' with 'z' in the sentence.
answer:
a woman is playing tennis on the tennis couzt

question:
Sentence: 'a man is standing with this luggage next to a railroad track'. Replace the letter 'g' with 'l' in the sentence.
answer:
a man is standinl with this lullale next to a railroad track

question:
Sentence: 'a woman riding skis holding ski poles on a snow covered slope'. Replace the letter 'a' with 'w' in the sentence.
answer:
w womwn riding skis holding ski poles on w snow covered slope