*SUPPORT*
IN: dax zup lug OUT: GREEN GREEN RED RED GREEN
IN: dax OUT: RED
IN: fep lug blicket OUT: BLUE GREEN BLUE GREEN BLUE GREEN BLUE GREEN
IN: lug dax lug OUT: GREEN RED GREEN
IN: lug zup gazzer OUT: PURPLE PURPLE GREEN GREEN PURPLE
IN: fep zup fep OUT: BLUE BLUE BLUE BLUE BLUE
IN: fep zup lug OUT: GREEN GREEN BLUE BLUE GREEN
IN: dax wif OUT: RED RED RED
IN: fep wif OUT: BLUE BLUE BLUE
IN: fep OUT: BLUE
IN: gazzer zup lug OUT: GREEN GREEN PURPLE PURPLE GREEN
IN: lug OUT: GREEN
IN: lug wif OUT: GREEN GREEN GREEN
IN: gazzer wif OUT: PURPLE PURPLE PURPLE

*QUERY*
IN: lug zup lug OUT: GREEN GREEN GREEN GREEN GREEN
IN: fep fep zup fep OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: gazzer lug wif OUT: PURPLE GREEN GREEN GREEN
IN: fep blicket OUT: BLUE BLUE BLUE BLUE
IN: lug gazzer fep OUT: GREEN PURPLE BLUE
IN: lug gazzer OUT: GREEN PURPLE
IN: fep dax zup fep OUT: BLUE BLUE BLUE RED RED BLUE
IN: fep zup gazzer OUT: PURPLE PURPLE BLUE BLUE PURPLE
IN: fep lug OUT: BLUE GREEN
IN: dax zup gazzer OUT: PURPLE PURPLE RED RED PURPLE

*GRAMMAR*
lug -> GREEN 
 gazzer -> PURPLE 
 dax -> RED 
 fep -> BLUE 
 u1 wif -> [u1] [u1] [u1] 
 u1 zup u2 -> [u2] [u2] [u1] [u1] [u2] 
 x1 blicket -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 