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

Sentence: 'a man is ordering food from a mobile food truck'. Replace the letter 'r' with 'q' in the sentence.
a man is oqdeqing food fqom a mobile food tquck

Sentence: 'a man in black shirt laying on bed with a teddy bear'. Replace the letter 'd' with 'b' in the sentence.
a man in black shirt laying on beb with a tebby bear

Sentence: 'a cat with its head resting above a keyboard'. Replace the letter 'a' with 'c' in the sentence.

c cct with its hecd resting cbove c keybocrd