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

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

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