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

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

*GRAMMAR*
dax -> BLUE 
 kiki -> PURPLE 
 blicket -> RED 
 gazzer -> GREEN 
 u1 tufa -> [u1] [u1] 
 u1 wif -> [u1] [u1] 
 u1 fep u2 -> [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 