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

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

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