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

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

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