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

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

*GRAMMAR*
lug -> GREEN 
 dax -> RED 
 gazzer -> YELLOW 
 wif -> PURPLE 
 u1 blicket -> [u1] [u1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 tufa u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 