Experimenting on a raft anchored on the river Elbe, Alfred Nobel tries to make nitroglycerine safer to handle. Finds that the addition of kieselguhr turns nitroglycerine into a dough that can be kneaded, and calls it "dynamite".
It is not possible to knead dough, not at all.
( z1 possible :polarity - :ARG1 ( z2 knead :ARG1 ( z3 dough ) ) :mod ( z4 at-all :polarity - ) )