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

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

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