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

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

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