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

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

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