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!
Razor blades can be very useful.
Then she scraped off the wax with a razor blade. That did the trick!

( z1 possible :ARG1 ( z2 useful :ARG1 ( z3 blade :mod ( z4 razor ) ) :degree ( z5 very ) ) )