instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a baseball player holding a baseball bat during a baseball game'. Replace the letter 'a' with 'u' in the sentence.
answer:
u busebull pluyer holding u busebull but during u busebull gume


question:
Sentence: 'a group of three giraffes standing around a fence'. Replace the letter 't' with 'a' in the sentence.
answer:
a group of ahree giraffes saanding around a fence


question:
Sentence: 'looking at someone holding an umbrella through an iron fence'. Replace the letter 'l' with 'z' in the sentence.
answer:

zooking at someone hozding an umbrezza through an iron fence