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

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

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