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

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

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