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

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

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