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

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

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