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

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

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