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

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

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