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

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

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