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

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

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