TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a herd of cattle standing on a lush green field'. Replace the letter 'g' with 'f' in the sentence.

SOLUTION: a herd of cattle standinf on a lush freen field

PROBLEM: Sentence: 'red helicopter with landing wheels flying in the sky'. Replace the letter 'h' with 'y' in the sentence.

SOLUTION: red yelicopter wity landing wyeels flying in tye sky

PROBLEM: Sentence: 'a large table containing several bottles of juice, a pizza, a pan of food, plates, napkins and plastic utensils'. Replace the letter 'i' with 'g' in the sentence.

SOLUTION:
a large table contagngng several bottles of jugce, a pgzza, a pan of food, plates, napkgns and plastgc utensgls