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

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

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