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

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

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