Read the excerpt from "The Day the Gulls Went Crazy." An experiment seemed the best way to answer this question. Larry rigged up
a disguise from spare items around the house. Instead of his usual yellow stocking cap, he wore a wide-brimmed straw hat. He changed into baggy clothing that he had never worn before. And to top off the disguise, he added a green and orange Halloween mask left behind from some party. In this outfit, Larry walked out of the house, being careful to change his walk by pretending to limp. To his amazement, the colony stayed perfectly calm. Which sentence describes a cause-and-effect relationship in the text?
