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

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

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