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

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

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