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

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

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