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

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

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