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

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

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