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

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

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