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

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

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