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

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

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