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

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

*GRAMMAR*
lug -> YELLOW 
 blicket -> GREEN 
 dax -> BLUE 
 wif -> RED 
 x1 gazzer x2 -> [x2] [x1] [x2] 
 x1 kiki u1 -> [x1] [u1] 
 u1 fep u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 