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

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

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