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

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

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