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

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

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