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

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

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