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

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

*GRAMMAR*
fep -> YELLOW 
 dax -> BLUE 
 tufa -> RED 
 blicket -> GREEN 
 u1 wif u2 -> [u1] [u2] 
 x1 kiki x2 -> [x1] [x2] 
 u1 zup -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 