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

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

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