ulcers

"His constant negativity at work made it hard for the team to finish projects. "

"The inflammation of the dry leaves by the bonfire was quite impressive. "

"The teacher maintained discipline in the classroom by consistently enforcing the rules. "

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

"My sometimes neighbor, a retired teacher, still visits the school occasionally. "

"The architect prolonged the design phase of the new library, adding more time for planning. "

"The cell membrane controls what enters and leaves the cell. "

"Joe was always complaining about the noise made by his neighbours."

"The main character in the school play was a brave student. "

"The assassin poisoned the king."

"It is generally known that the Earth is round."

"The infection spread quickly through the classroom after one student got sick. "