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

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

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