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

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

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