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

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

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