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

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

*GRAMMAR*
kiki -> PINK 
 dax -> GREEN 
 gazzer -> RED 
 wif -> YELLOW 
 u1 tufa u2 -> [u2] [u1] 
 u1 lug -> [u1] [u1] [u1] 
 u1 blicket x1 -> [u1] [x1] [x1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 