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

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

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