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

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

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