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

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

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