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

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

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