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

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

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