How to choose coloured contacts (dark skinned girls )<br>Learn more about colored contacts. Decorative colored contacts cover your iris in a new color. This can closely match your natural color to enhance it, or it can be dramatically different.
choosing color contacts will decorate your natural skin color.
its will decorate your iris; it says nothing bout how it goes with skin color. I think the system read all the keywords and decided it was true even though it never mentioned skin. 
( z1 decorate :ARG0 ( z2 choose :ARG0 ( z3 you ) :ARG1 ( z4 contact :mod ( z5 color ) ) ) :ARG1 ( z6 color :ARG1 ( z7 skin :part-of z3 ) :ARG1-of ( z8 natural ) ) )