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

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

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