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

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

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