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

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

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