In this task, you need to replace a letter in the sentence with another given letter.

Sentence: 'a woman is snowboarding down a snowy hill'. Replace the letter 'l' with 'b' in the sentence.
a woman is snowboarding down a snowy hibb

Sentence: 'a baseball player is throwing a ball across the dirt field'. Replace the letter 'a' with 't' in the sentence.
t btsebtll pltyer is throwing t btll tcross the dirt field

Sentence: 'young girl sitting on a blue chair in an ornate bathroom'. Replace the letter 'n' with 'f' in the sentence.

youfg girl sittifg of a blue chair if af orfate bathroom