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

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

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