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

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

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