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

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

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