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

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

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