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

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

*GRAMMAR*
tufa -> PURPLE 
 fep -> BLUE 
 wif -> GREEN 
 kiki -> RED 
 x1 dax x2 -> [x2] [x1] 
 u1 gazzer x1 -> [x1] [u1] [u1] 
 x1 lug u1 -> [u1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 