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

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

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