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

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

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