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

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

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