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

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

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