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

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

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