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

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

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