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

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

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