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

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

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