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

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

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