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

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

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