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

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

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