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

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

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