Water is the only substance that can be found in all three forms - liquid, solid, gas - in nature.
(Water; is; the only substance that can be found in all three forms - liquid, solid, gas - in nature) (the only substance; can be found; L:in all three forms - liquid, solid, gas - in nature)
Water the only substance
is can be found
the only substance that can be found in all three forms - liquid, solid, gas - in nature
L:in all three forms - liquid, solid, gas - in nature