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

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

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