penumbra

"The library organizes books into different categories, such as fiction, non-fiction, and children's books. "

"The astronomer presented a fascinating talk about distant galaxies in our school's science club. "

"The new student is potentially a star athlete; she runs very fast and jumps high. "

"The student was partially prepared for the exam, but still felt nervous. "

"The building's structural steel supports the weight of the roof. "

"The scholarship offered a valuable opportunity for students to pursue higher education. "

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

"After years of hard work, the family finally achieved prosperity, allowing them to buy a new home and send their children to good schools. "

"There's a lot of uncertainty about the final exam's topic, so students are studying everything. "

"The teacher patiently explained the math problem, and the students were able to understand the steps involved. "

"The large oak tree surrounding the picnic area provided welcome shade. "

"The insurance company carefully tracked the recoverables from their reinsurance partners after the large hurricane to ensure they received the promised funds. "