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

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

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