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

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

*GRAMMAR*
dax -> PINK 
 kiki -> GREEN 
 tufa -> PURPLE 
 zup -> RED 
 x1 wif x2 -> [x2] [x2] [x1] [x1] 
 u1 blicket u2 -> [u2] [u1] 
 x1 lug -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 