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

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

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