policeman

"it precipitated their success"

"The children physically exhausted themselves playing tag in the park. "

"Because she publicly criticized the new school rules, Maria was labeled a dissident by some of the teachers. "

"The science students conducted their experiments in the school laboratory. "

"The police identified the thief using security camera footage. "

"My sister is very helpful, especially when it comes to organizing things. "

"The student's opposition to the new school rules caused a disruption. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The large dog's loud barking was intimidating the small children playing in the park. "

"The chemistry class focused on how different elements combine to form new substances. "

"The chemistry student performed a gravimetric analysis to determine the amount of salt in the water sample by carefully measuring the weight of the dried residue. "

"We should confront him about the missing money."