instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a photo of a woman milking a brown cow'. Replace the letter 'k' with 'q' in the sentence.
answer:
a photo of a woman milqing a brown cow


question:
Sentence: 'a baseball player swinging a bat at a ball'. Replace the letter 's' with 'n' in the sentence.
answer:
a baneball player nwinging a bat at a ball


question:
Sentence: 'a man does a trick in the air on a skateboard'. Replace the letter 'r' with 'f' in the sentence.
answer:

a man does a tfick in the aif on a skateboafd