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

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

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