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

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

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