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

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

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