barrel – n. a large, round container often used to hold liquid

sibling – n. a brother or sister

conceive – v. to become pregnant

survey – n. an activity in which many people are asked a question or a series of questions in order to gather information about what most people do or think about something

contaminate – v. to make something dangerous, dirty, or impure by adding something harmful to it

inhale – v. to breathe in

thief – n. a person who steals something

respond – v. to say or write something as an answer to a question or request
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