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

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

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