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

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

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