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

Sentence: 'two girls holding blue umbrellas wearing shirts and plastic'. Replace the letter 'd' with 'y' in the sentence.
two girls holying blue umbrellas wearing shirts any plastic

Sentence: 'a hipster riding a skateboard up the side of a wall'. Replace the letter 's' with 'm' in the sentence.
a hipmter riding a mkateboard up the mide of a wall

Sentence: 'the back end of an airplane parked on the runway'. Replace the letter 'e' with 'w' in the sentence.

thw back wnd of an airplanw parkwd on thw runway