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

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

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