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

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

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