The first thing that happens is that the solid wax is melted, the liquid wax travels up the wick and is boiled off, becoming vaporised.
(The first thing; happens; ) (the liquid wax; travels up; the wick) Context(the liquid wax travels up,List([62, 87))):(The first thing that happens; is; that the solid wax is melted) Context(The first thing that happens is the liquid wax travels up,List([0, 87))):(the solid wax; is melted; ) (the liquid wax; is boiled off; becoming vaporised)
the liquid wax travels up,List([62, 87)) The first thing that happens is the liquid wax travels up,List([0, 87))
The first thing the liquid wax The first thing that happens the solid wax the liquid wax
happens travels up is is melted is boiled off
the wick
that the solid wax is melted
becoming vaporised