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

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

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