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

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

*GRAMMAR*
wif -> BLUE 
 gazzer -> YELLOW 
 dax -> RED 
 fep -> PINK 
 u1 lug -> [u1] [u1] [u1] [u1] 
 x1 zup x2 -> [x1] [x2] [x1] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 