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

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

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