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

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

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