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

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

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