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

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

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