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

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

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