reverting

"The coffee machine automatically dispenses hot water when you press the button. "

"The condition for getting a raise at work is meeting your quarterly targets. "

"The characters in the book went on a thrilling adventure. "

"He successfully climbed the mountain."

"Originally, this paper was white, but over the years it has yellowed with age."

"My uncle is a mathematician; he enjoys solving complex equations for fun. "

"We are discussing the homework assignment in class. "

"The farmer used fertilizers to help his crops grow bigger and faster. "

"The fertilizer contained a phosphoric compound to help the plants grow. "

"My correspondence with my pen pal was very enjoyable; we discussed our favorite books and hobbies. "

"The library has possession of the rare book, even though it doesn't own it. "

"The teacher's loud voice reverberated through the empty classroom, echoing for several minutes after she had stopped speaking. "