sterile

"Despite thorough investigation, the perpetrator of the attacks remains unknown."

"Instruction will be provided on how to handle difficult customers."

"Please completely fill in the box for your answer, using a number 2 pencil."

"The anonymous donation to the school was made in cash, leaving it completely untraceable. "

"The student's enthusiasm for history was a form of divine inspiration, making him memorize facts effortlessly. "

"The manufacturer of the school's new computers is a well-known technology company. "

"The cud is then reswallowed and further digested by specialized microorganisms that live in the rumen."

"The playful competition provided the students with intellectual stimulation, encouraging them to learn more. "

"The lecture was quite uninspiring, and I almost fell asleep. "

"Unfortunately, the heavy rain prevented the soccer game from taking place. "

"Juggling is an amusing pastime, but generally unproductive."

"The explanation was long and drawn-out."