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

Sentence: 'a metal tray holding various vegetables that include potatoes and onions'. Replace the letter 'h' with 'e' in the sentence.
a metal tray eolding various vegetables teat include potatoes and onions

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: 'a grassy field with four zebras standing in it'. Replace the letter 'i' with 'k' in the sentence.

a grassy fkeld wkth four zebras standkng kn kt