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

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

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