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

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

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