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

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

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