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

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

*GRAMMAR*
blicket -> YELLOW 
 fep -> GREEN 
 wif -> BLUE 
 tufa -> RED 
 u1 zup u2 -> [u1] [u2] 
 x1 kiki -> [x1] [x1] 
 x1 dax x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 