*SUPPORT*
IN: gazzer tufa zup OUT: GREEN BLUE
IN: dax wif OUT: YELLOW YELLOW
IN: gazzer OUT: BLUE
IN: gazzer blicket tufa gazzer OUT: BLUE BLUE PURPLE
IN: zup OUT: GREEN
IN: blicket gazzer tufa dax OUT: PURPLE YELLOW BLUE
IN: gazzer tufa dax OUT: YELLOW BLUE
IN: blicket tufa blicket OUT: PURPLE PURPLE
IN: blicket gazzer gazzer wif OUT: PURPLE BLUE BLUE BLUE
IN: dax tufa blicket OUT: PURPLE YELLOW
IN: gazzer blicket dax tufa zup OUT: BLUE PURPLE GREEN YELLOW
IN: blicket dax wif OUT: PURPLE YELLOW YELLOW
IN: zup fep OUT: GREEN GREEN GREEN
IN: dax fep OUT: YELLOW YELLOW YELLOW

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

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