graph ER {
	node [shape=box]
	course
	institute
	student
	node [shape=ellipse]
	name0 [label=name]
	name1 [label=name]
	name2 [label=name]
	code
	grade
	number
	node [color=lightgrey shape=diamond style=filled]
	"C-I"
	"S-C"
	"S-I"
	name0 -- course
	code -- course
	course -- "C-I" [label=n len=1.00]
	"C-I" -- institute [label=1 len=1.00]
	institute -- name1
	institute -- "S-I" [label=1 len=1.00]
	"S-I" -- student [label=n len=1.00]
	student -- grade
	student -- name2
	student -- number
	student -- "S-C" [label=m len=1.00]
	"S-C" -- course [label=n len=1.00]
	label="\n\nEntity Relation Diagram\ndrawn by NEATO"
	fontsize=20
}
