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

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

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