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

Sentence: 'a baseball player holding a baseball bat during a baseball game'. Replace the letter 'a' with 'u' in the sentence.
u busebull pluyer holding u busebull but during u busebull gume

Sentence: 'the two boys are eating large carrots while sitting on a blanket'. Replace the letter 'a' with 'q' in the sentence.
the two boys qre eqting lqrge cqrrots while sitting on q blqnket

Sentence: 'pair of giraffes standing next to a wooden pole barrier fence'. Replace the letter 'i' with 'k' in the sentence.

pakr of gkraffes standkng next to a wooden pole barrker fence