*SUPPORT*
IN: gazzer fep zup OUT: PINK PINK BLUE BLUE
IN: lug OUT: GREEN
IN: zup lug fep dax gazzer kiki gazzer OUT: BLUE PINK RED BLUE RED BLUE GREEN GREEN
IN: gazzer fep lug wif zup OUT: PINK PINK GREEN PINK PINK GREEN BLUE BLUE
IN: dax lug OUT: RED GREEN
IN: dax wif dax OUT: RED RED RED
IN: gazzer zup fep lug OUT: BLUE GREEN GREEN PINK PINK
IN: gazzer fep dax wif dax OUT: RED RED RED RED RED RED BLUE BLUE
IN: dax fep lug OUT: GREEN GREEN RED RED
IN: dax OUT: RED
IN: zup gazzer zup fep lug wif gazzer OUT: BLUE BLUE PINK BLUE GREEN GREEN PINK PINK
IN: zup fep gazzer OUT: BLUE BLUE PINK PINK
IN: lug wif zup OUT: PINK PINK GREEN
IN: zup wif lug wif dax OUT: RED RED GREEN GREEN PINK

*QUERY*
IN: lug fep dax OUT: RED RED GREEN GREEN
IN: gazzer kiki lug kiki zup wif zup OUT: PINK PINK PINK GREEN BLUE
IN: gazzer zup OUT: BLUE PINK
IN: gazzer gazzer gazzer wif zup OUT: PINK PINK BLUE BLUE BLUE
IN: lug fep dax zup OUT: RED PINK RED PINK GREEN GREEN
IN: gazzer OUT: BLUE
IN: zup OUT: PINK
IN: dax fep gazzer wif lug OUT: GREEN GREEN BLUE GREEN GREEN BLUE RED RED
IN: dax fep dax OUT: RED RED RED RED
IN: gazzer wif lug OUT: GREEN GREEN BLUE

*GRAMMAR*
dax -> RED 
 lug -> GREEN 
 gazzer -> BLUE 
 zup -> PINK 
 u1 fep x1 -> [x1] [x1] [u1] [u1] 
 x1 kiki x2 -> [x2] [x1] 
 x1 wif u1 -> [u1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 