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

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

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