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"The student used a microscope to see the tiny cells in the plant leaf. "

"He discovered penicillin largely accidentally."

"The poem was a new inclusion in the textbook."

"The subway train is undergoing a tunnel underneath the city. "

"The irregulars attacked the government buildings, not following the standard military formations. "

"The underneath of the aircraft was painted blue."

"The box containing my old toys was stored in the attic. "

"The abandoned building, covered in graffiti and broken windows, was an unsightly addition to the neighborhood. "

"The geologist studied the rocks in the park. "

"a touching story"

"During tadpole metamorphosis, apoptosis eliminates the tail cells, allowing the frog to develop its adult form. "

"The intricate formation of the puzzle pieces allowed the child to assemble a picture of a dog. "