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

Sentence: 'street signs hanging next to a traffic light on a city street'. Replace the letter 'g' with 'm' in the sentence.
street simns hanminm next to a traffic limht on a city street

Sentence: 'a person snow skiing down a hill while the hold their ski poles'. Replace the letter 'r' with 'g' in the sentence.
a pegson snow skiing down a hill while the hold theig ski poles

Sentence: 'a clear vase with long stemmed yellow flowers on a dining table'. Replace the letter 'g' with 'f' in the sentence.
a clear vase with lonf stemmed yellow flowers on a dininf table