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"After each math test, Mrs. Jones posted the leaderboard on the classroom wall, showing which students had the highest scores. "

"The new museum exhibit really interested me in ancient Egyptian history. "

"Many medications are derivatives of natural substances found in plants or fungi. "

"I have a small suggestion for fixing this: try lifting the left side up a bit."

"The farmer used insecticide to kill the bugs eating his crops. "

"My sister is very helpful, especially when it comes to organizing things. "

"The teacher's prescription for improved study habits included more focused time and regular breaks. "

"The operation of the new coffee machine is quite simple. "

"My grandfather helped me with my math homework. "

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

"BBC is an initialism for British Broadcasting Corporation."

"My discussion with the professor was very enlightening."