*SUPPORT*
IN: blicket lug gazzer blicket kiki blicket OUT: PURPLE RED PURPLE PURPLE
IN: wif kiki dax OUT: BLUE GREEN
IN: dax gazzer lug kiki lug OUT: GREEN RED RED
IN: wif tufa OUT: BLUE BLUE BLUE
IN: lug tufa OUT: RED RED RED
IN: dax tufa OUT: GREEN GREEN GREEN
IN: wif gazzer lug gazzer lug OUT: BLUE RED RED
IN: blicket kiki wif OUT: PURPLE BLUE
IN: lug gazzer dax kiki dax OUT: RED GREEN GREEN
IN: blicket OUT: PURPLE
IN: blicket gazzer wif OUT: PURPLE BLUE
IN: blicket tufa OUT: PURPLE PURPLE PURPLE
IN: dax gazzer dax OUT: GREEN GREEN
IN: dax kiki wif OUT: GREEN BLUE

*QUERY*
IN: blicket wif gazzer wif tufa OUT: PURPLE BLUE BLUE BLUE BLUE
IN: dax lug kiki lug OUT: GREEN RED RED
IN: blicket blicket tufa OUT: PURPLE PURPLE PURPLE PURPLE
IN: lug gazzer wif dax blicket dax kiki wif OUT: RED BLUE GREEN PURPLE GREEN BLUE
IN: blicket gazzer lug gazzer blicket wif tufa OUT: PURPLE RED PURPLE BLUE BLUE BLUE
IN: lug kiki wif OUT: RED BLUE
IN: blicket kiki lug OUT: PURPLE RED
IN: dax dax OUT: GREEN GREEN
IN: dax kiki blicket OUT: GREEN PURPLE
IN: lug dax gazzer blicket tufa OUT: RED GREEN PURPLE PURPLE PURPLE

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