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

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

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