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

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

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