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

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

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