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

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

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