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

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

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