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

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

*GRAMMAR*
blicket -> BLUE 
 dax -> GREEN 
 tufa -> PURPLE 
 lug -> RED 
 u1 gazzer u2 -> [u1] [u2] [u2] [u1] 
 u1 kiki x1 -> [x1] [x1] [x1] [u1] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 