*SUPPORT*
IN: wif dax kiki OUT: PURPLE GREEN PURPLE GREEN
IN: dax dax OUT: GREEN GREEN
IN: wif blicket OUT: PURPLE PURPLE
IN: wif OUT: PURPLE
IN: lug blicket OUT: BLUE BLUE
IN: lug blicket kiki gazzer OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep dax fep blicket OUT: RED GREEN RED RED
IN: dax dax gazzer kiki OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: lug fep kiki OUT: BLUE RED BLUE RED
IN: wif wif lug gazzer OUT: PURPLE PURPLE BLUE PURPLE PURPLE BLUE
IN: fep blicket kiki OUT: RED RED RED RED
IN: dax dax kiki OUT: GREEN GREEN GREEN GREEN
IN: lug OUT: BLUE
IN: wif kiki OUT: PURPLE PURPLE

*QUERY*
IN: fep blicket kiki gazzer OUT: RED RED RED RED RED RED RED RED
IN: lug blicket gazzer OUT: BLUE BLUE BLUE BLUE
IN: lug dax OUT: BLUE GREEN
IN: fep blicket OUT: RED RED
IN: dax blicket OUT: GREEN GREEN
IN: wif wif blicket kiki OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: dax OUT: GREEN
IN: fep OUT: RED
IN: lug blicket gazzer gazzer OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: dax blicket gazzer OUT: GREEN GREEN GREEN GREEN

*GRAMMAR*
dax -> GREEN 
 fep -> RED 
 wif -> PURPLE 
 lug -> BLUE 
 u1 blicket -> [u1] [u1] 
 x1 kiki -> [x1] [x1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 