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

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

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