control

"The teacher's intervention helped the struggling student understand the math problem. "

"The government decided to raise taxes to fund new schools. "

"The school's annual fundraising helps pay for field trips and new equipment. "

"The distribution of the school supplies was done fairly, giving each student an equal amount. "

"The new math textbook's experimental section focuses on fractions. "

"Construction is underway on the new bridge."

"The country recognized their defence vulnerability after an airplane landed in front of the central square without any consequences."

"The company implemented a new firewall as a countermeasure against cyberattacks. "

"The fence is determining the boundary between our yard and our neighbor's. "

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

"the performance of an undertaking or a duty"

"Researchers are studying the effects of exercise on mental health. "