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

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

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