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

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

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