How to create blue roses<br>Gather the necessary materials. To dye the petals through absorption, you will need powdered blue florist's dye, water, freshly cut white, scissors, dethorning tool (optional), a glass vase, and flower preservative (optional). Ideally, the roses will not have been soaked in or treated with water.
gather the necessary materials is the last thing to do to create blue roses
How to create blue roses
Gather the necessary materials. is actually the first thing to do 
( z1 gather :ARG1 ( z2 material :ARG1-of ( z3 need ) ) :domain ( z4 thing :mod ( z5 last ) :ARG1-of ( z6 do :purpose ( z7 create :ARG1 ( z8 rose :mod ( z9 blue ) ) ) ) ) )