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

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

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