*SUPPORT*
IN: blicket tufa zup OUT: YELLOW GREEN GREEN GREEN
IN: tufa zup OUT: GREEN GREEN GREEN
IN: dax tufa zup lug kiki OUT: RED PURPLE GREEN GREEN GREEN
IN: blicket OUT: YELLOW
IN: kiki lug blicket dax gazzer dax OUT: YELLOW PURPLE PURPLE RED
IN: dax dax zup OUT: PURPLE PURPLE PURPLE PURPLE
IN: kiki zup OUT: RED RED RED
IN: kiki zup lug kiki OUT: RED RED RED RED
IN: dax zup OUT: PURPLE PURPLE PURPLE
IN: kiki gazzer dax lug tufa zup OUT: GREEN GREEN GREEN PURPLE RED
IN: blicket zup OUT: YELLOW YELLOW YELLOW
IN: tufa gazzer blicket OUT: YELLOW GREEN
IN: tufa dax OUT: GREEN PURPLE
IN: tufa OUT: GREEN

*QUERY*
IN: blicket gazzer dax OUT: PURPLE YELLOW
IN: blicket zup lug blicket gazzer dax OUT: PURPLE YELLOW YELLOW YELLOW YELLOW
IN: dax OUT: PURPLE
IN: dax blicket zup OUT: PURPLE YELLOW YELLOW YELLOW
IN: kiki OUT: RED
IN: dax gazzer tufa OUT: GREEN PURPLE
IN: kiki gazzer dax OUT: PURPLE RED
IN: kiki gazzer blicket OUT: YELLOW RED
IN: dax tufa OUT: PURPLE GREEN
IN: dax gazzer kiki OUT: RED PURPLE

*GRAMMAR*
blicket -> YELLOW 
 kiki -> RED 
 tufa -> GREEN 
 dax -> PURPLE 
 u1 gazzer u2 -> [u2] [u1] 
 x1 lug x2 -> [x2] [x1] 
 u1 zup -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 