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

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

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