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

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

*GRAMMAR*
dax -> RED 
 blicket -> YELLOW 
 wif -> PINK 
 fep -> GREEN 
 u1 zup u2 -> [u1] [u1] [u2] 
 x1 tufa -> [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 