a lots of box-like objects are seen under a microscope on a slice of onion
onion_bulb is living_thing. onion_bulb is not tangible_thing. paper is foldable_thing. electron_microscope is microscope. onion_bulb is not layered_thing. sheet_of_paper is foldable_thing. onion_bulb is not living_thing. onion_bulb is onion. onion_bulb is tangible_thing. onion_bulb is layered_thing.