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

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

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