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

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

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