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

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

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