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

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

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