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

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

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