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

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

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