ConceptNet

An encyclopedia of concept simulations that computers and humans can learn from.

An experimental project in machine learning.

flap

to move up and down.

cliff

the high, steep side of a mountain or rock.

crumble

break or fall apart into small fragments, especially over a period of time as part of a process of deterioration

drip

to fall slowly, drop by drop.

stack

a pile of things, one on top of another.

meet

to come face-to-face with another person

crush

to damage something by squeezing it very hard.

cover

to put something over or on something else.

sort

to arrange things into different types or groups.