instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a couple of giraffe standing next to each other'. Replace the letter 'i' with 'q' in the sentence.
answer:
a couple of gqraffe standqng next to each other

question:
Sentence: 'nine geese flying south for the winter months'. Replace the letter 't' with 'f' in the sentence.
answer:
nine geese flying soufh for fhe winfer monfhs

question:
Sentence: 'a tennis player jumps up to swing at a tennis ball'. Replace the letter 'a' with 'c' in the sentence.
answer:
c tennis plcyer jumps up to swing ct c tennis bcll