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

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

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