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

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

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