instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a bench along a forested hiking path'. Replace the letter 'd' with 'u' in the sentence.
answer:
a bench along a foresteu hiking path


question:
Sentence: 'a group of young adults are engaged in outdoor exercise'. Replace the letter 'g' with 'n' in the sentence.
answer:
a nroup of younn adults are ennaned in outdoor exercise


question:
Sentence: 'standing man talking to woman sitting on a park bench'. Replace the letter 'a' with 't' in the sentence.
answer:

sttnding mtn ttlking to womtn sitting on t ptrk bench