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

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

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