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

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

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