*SUPPORT*
IN: wif blicket OUT: RED RED
IN: wif tufa wif OUT: RED RED
IN: dax lug lug OUT: GREEN PINK PINK
IN: gazzer kiki OUT: YELLOW YELLOW
IN: dax blicket OUT: GREEN GREEN
IN: gazzer blicket tufa lug kiki tufa wif blicket OUT: YELLOW YELLOW PINK PINK RED RED
IN: lug OUT: PINK
IN: wif dax blicket OUT: RED GREEN GREEN
IN: lug kiki OUT: PINK PINK
IN: wif OUT: RED
IN: dax lug tufa gazzer lug wif blicket OUT: GREEN PINK YELLOW PINK RED RED
IN: lug lug kiki OUT: PINK PINK PINK
IN: dax dax wif blicket OUT: GREEN GREEN RED RED
IN: dax blicket tufa dax kiki OUT: GREEN GREEN GREEN GREEN

*QUERY*
IN: gazzer OUT: YELLOW
IN: dax OUT: GREEN
IN: wif kiki OUT: RED RED
IN: gazzer dax OUT: YELLOW GREEN
IN: dax blicket tufa dax wif blicket OUT: GREEN GREEN GREEN RED RED
IN: gazzer blicket OUT: YELLOW YELLOW
IN: gazzer lug OUT: YELLOW PINK
IN: lug dax blicket OUT: PINK GREEN GREEN
IN: wif dax dax blicket OUT: RED GREEN GREEN GREEN
IN: lug lug kiki tufa lug OUT: PINK PINK PINK PINK

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