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

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

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