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

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

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