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

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

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