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

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

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