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

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

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