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

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

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