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

Sentence: 'a couple of kids are sitting in a field'. Replace the letter 't' with 'v' in the sentence.
a couple of kids are sivving in a field

Sentence: 'a baseball player swings his bat at a pitch'. Replace the letter 's' with 'l' in the sentence.
a baleball player lwingl hil bat at a pitch

Sentence: 'a baby is holding and eating a banana'. Replace the letter 'i' with 'g' in the sentence.

a baby gs holdgng and eatgng a banana