TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a group of women are sitting at a table eating lunch'. Replace the letter 'e' with 'k' in the sentence.

SOLUTION: a group of womkn ark sitting at a tablk kating lunch

PROBLEM: Sentence: 'a giraffe sticks its tongue out in the air'. Replace the letter 'e' with 'l' in the sentence.

SOLUTION: a giraffl sticks its tongul out in thl air

PROBLEM: Sentence: 'a man is lying on the floor with his calculator and briefcase preparing to work'. Replace the letter 'o' with 'q' in the sentence.

SOLUTION:
a man is lying qn the flqqr with his calculatqr and briefcase preparing tq wqrk