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

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

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