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

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

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