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

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

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