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

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

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