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

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

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