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

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

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