The slide sample was placed under a microscope that provided a grid where the number of cells could be counted.
(The slide sample; was placed; under a microscope) (a microscope; provided; a grid where the number of cells could be counted) (the number of cells; could be counted; L:a grid)
The slide sample a microscope the number of cells
was placed provided could be counted
under a microscope
a grid where the number of cells could be counted
L:a grid