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

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

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