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

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

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