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

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

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