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

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

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