nicotine

"Clouds were forming interesting shapes in the sky. "

"The liftoff will occur in exactly twelve seconds."

"Coffee is a stimulant that helps many students stay awake during late-night study sessions. "

"Russia is a large country.   The fruit-fly has large eyes for its body size.   He has a large collection of stamps."

"My grandfather used to keep a pack of cigarettes in his shirt pocket. "

"During the centuries, the people of Ireland struggled constantly to assert their right to govern themselves."

"The coffee bean contains caffeine, which is a stimulating alkaloid. "

"People commonly eat breakfast before going to school. "

"Farmers use insecticides to protect their crops from being eaten by bugs. "

"The court ruled that the company would be added to the list of companies affected by the new law. "

"My grandfather helped me with my math homework. "

"The farmer planted several species of tobacco in his field. "