instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a close up of a grassy beach showing an umbrella and wind board'. Replace the letter 'a' with 'f' in the sentence.
answer:
f close up of f grfssy befch showing fn umbrellf fnd wind bofrd


question:
Sentence: 'a woman holding the arm of a life size teddy bear in a guard outfit'. Replace the letter 'g' with 'a' in the sentence.
answer:
a woman holdina the arm of a life size teddy bear in a auard outfit


question:
Sentence: 'two girls on a field kicking a soccer ball'. Replace the letter 'o' with 'r' in the sentence.
answer:

twr girls rn a field kicking a srccer ball