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

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

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