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

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

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