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

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

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