instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man has his hand on top of a blender'. Replace the letter 'd' with 'o' in the sentence.
answer:
a man has his hano on top of a blenoer


question:
Sentence: 'a memorial with various plaques and american flags on it'. Replace the letter 'a' with 'k' in the sentence.
answer:
k memorikl with vkrious plkques knd kmerickn flkgs on it


question:
Sentence: 'a little boy in the sand with a frisbee'. Replace the letter 't' with 'j' in the sentence.
answer:

a lijjle boy in jhe sand wijh a frisbee