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

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

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