*SUPPORT*
IN: fep dax fep OUT: RED RED RED RED RED RED
IN: fep gazzer OUT: RED RED
IN: fep dax blicket OUT: BLUE RED RED RED BLUE BLUE
IN: blicket dax tufa OUT: PURPLE BLUE BLUE BLUE PURPLE PURPLE
IN: lug dax lug OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa OUT: PURPLE
IN: tufa fep OUT: PURPLE RED
IN: fep OUT: RED
IN: lug dax tufa OUT: PURPLE GREEN GREEN GREEN PURPLE PURPLE
IN: blicket lug dax blicket OUT: BLUE BLUE GREEN GREEN GREEN BLUE BLUE
IN: blicket dax lug OUT: GREEN BLUE BLUE BLUE GREEN GREEN
IN: lug OUT: GREEN
IN: tufa tufa OUT: PURPLE PURPLE
IN: blicket zup lug OUT: BLUE GREEN GREEN GREEN

*QUERY*
IN: lug gazzer OUT: GREEN GREEN
IN: lug lug blicket fep OUT: GREEN GREEN BLUE RED
IN: tufa dax blicket OUT: BLUE PURPLE PURPLE PURPLE BLUE BLUE
IN: lug dax fep OUT: RED GREEN GREEN GREEN RED RED
IN: fep blicket dax fep OUT: RED RED BLUE BLUE BLUE RED RED
IN: tufa lug dax fep OUT: PURPLE RED GREEN GREEN GREEN RED RED
IN: blicket blicket dax lug OUT: BLUE GREEN BLUE BLUE BLUE GREEN GREEN
IN: tufa dax lug OUT: GREEN PURPLE PURPLE PURPLE GREEN GREEN
IN: tufa blicket fep OUT: PURPLE BLUE RED
IN: tufa zup blicket gazzer OUT: PURPLE BLUE BLUE BLUE BLUE BLUE BLUE

*GRAMMAR*
blicket -> BLUE 
 lug -> GREEN 
 tufa -> PURPLE 
 fep -> RED 
 x1 zup x2 -> [x1] [x2] [x2] [x2] 
 x1 gazzer -> [x1] [x1] 
 u1 dax u2 -> [u2] [u1] [u1] [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 