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

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

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