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

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

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