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

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

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