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

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

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