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

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

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