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

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

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