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"All he had to show for four years of attendance at college was a framed piece of paper."

"While seemingly abstract, the term "trees" (referring to fast-growing functions based on Kruskal's tree theorem) helps computer scientists understand how complex algorithms will perform as the size of the data trees they process increases. "

"The scout was responsible for winding the bugle to signal morning wake-up. "

"The divers encountered a huge school of mackerel."

"Completion of an identifiable stage of maintenance such as removing an aircraft engine for repair or storage."

"The school play's backdrop was a beautiful, painted forest scene. "

"The breathtaking scenery of the mountains was a beautiful backdrop for our family hike. "

"The hikers ventured deep into the forest, hoping to find a hidden waterfall. "

"The complete survey was handed in to the teacher. "

"the scene of the crime"

"She painted her bedroom wall blue. "

"Could you please scratch my back?"