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

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

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