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

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

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