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

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

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