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

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

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