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

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

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