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

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

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