Scrub<br>Ana spilled candle wax on her floor. It was so hard to remove! She scrubbed it with metal, plastic, nothing worked. Then she scraped off the wax with a razor blade. That did the trick!
The trick Ana used was to melt the candle wax to remove it. 
( z1 melt :ARG0 ( z2 person :name ( z3 name :op "Ana" ) ) :ARG1 ( z4 wax :mod ( z5 candle ) ) :purpose ( z6 remove :ARG0 z2 :ARG1 z4 ) :ARG1-of ( z7 use :ARG0 z2 ) )