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

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

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