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"The two brothers were wrestling for the last slice of pizza. "

"My uncle is a professional engineer. "

"The rule is that everyone must submit their homework on time, with the exception of students who have a documented medical reason. "

"The wrestlers trained hard every day after school. "

"The difficulty of the math problem made it hard for many students to solve it. "

"Do you want me to continue to unload these?"

"The new sports car was incredibly expensive, costing more than my entire year's savings. "

"The goaltender made a spectacular save, preventing the other team from scoring. "

"a successful use of medicine;  a successful experiment;  a successful enterprise"

"The rain fell continually throughout the afternoon. "

"The complicated instructions on the new software difficult me from completing the project on time. "

"The presentation about the new school rules was very clear and easy to understand. "