Water is a liquid, a pencil is a solid and air is a gas.
(a solid and air; is; a gas) (a pencil; is; a solid and air is a gas) Context(a pencil is,List([19, 30))):(Water; is; a liquid)
a pencil is,List([19, 30))
a solid and air a pencil Water
is is is
a gas
a solid and air is a gas
a liquid