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""The group of friends issued playful challenges to each other to see who could build the tallest sandcastle." "

"My dad installed a new security system in our house yesterday. "

"The mountain's prominent peak was visible from miles away. "

"The lawyer had a background in computer science."

"My favorite position in the classroom is near the window. "

"The science museum's interactive exhibits were a hit with the children. "

"The company established a new policy to improve employee safety. "

"The students were assigned partners for the science project. "

"The manager prioritized the urgent customer requests to be handled first. "

"The information about the project deadline resolved my uncertainty; now I know what needs to be completed. "

"The tide is outgoing, revealing more of the beach. "

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