When you bend the tube, the glass capsule breaks, allowing the chemical reaction to start.
(you; bend; the tube, the glass capsule breaks) (the glass capsule breaks; allowing; the chemical reaction to start) Context(the glass capsule breaks allowing,List([24, 58))):(the chemical reaction; to start; )
the glass capsule breaks allowing,List([24, 58))
you the glass capsule breaks the chemical reaction
bend allowing to start
the tube, the glass capsule breaks
the chemical reaction to start