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

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

*GRAMMAR*
blicket -> YELLOW 
 fep -> BLUE 
 dax -> GREEN 
 wif -> RED 
 x1 kiki x2 -> [x1] [x2] 
 x1 tufa u1 -> [x1] [u1] 
 x1 lug u1 -> [u1] [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 