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

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

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