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

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

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