instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man extends his arm with a frisbee in hand as another reaches to grab it while teammates watch'. Replace the letter 'a' with 'g' in the sentence.
answer:
g mgn extends his grm with g frisbee in hgnd gs gnother regches to grgb it while tegmmgtes wgtch


question:
Sentence: 'giraffe standing on a pile of rocks reaching up to a branch with its mouth'. Replace the letter 'g' with 'n' in the sentence.
answer:
niraffe standinn on a pile of rocks reachinn up to a branch with its mouth


question:
Sentence: 'a police car parked outside of a building'. Replace the letter 'l' with 'u' in the sentence.
answer:

a pouice car parked outside of a buiuding