*SUPPORT*
IN: gazzer lug zup OUT: YELLOW YELLOW BLUE
IN: wif kiki OUT: RED RED
IN: wif gazzer kiki OUT: RED YELLOW YELLOW
IN: gazzer OUT: YELLOW
IN: tufa wif OUT: PURPLE RED
IN: zup lug zup fep wif OUT: BLUE BLUE BLUE BLUE BLUE BLUE RED
IN: tufa kiki OUT: PURPLE PURPLE
IN: wif fep zup OUT: RED RED BLUE
IN: tufa OUT: PURPLE
IN: gazzer kiki OUT: YELLOW YELLOW
IN: zup kiki OUT: BLUE BLUE
IN: wif lug tufa OUT: RED RED PURPLE
IN: tufa gazzer OUT: PURPLE YELLOW
IN: wif fep tufa kiki OUT: RED RED PURPLE PURPLE

*QUERY*
IN: wif lug gazzer OUT: RED RED YELLOW
IN: tufa wif kiki OUT: PURPLE RED RED
IN: zup lug tufa fep gazzer OUT: BLUE BLUE PURPLE BLUE BLUE PURPLE YELLOW
IN: wif lug zup OUT: RED RED BLUE
IN: tufa wif lug gazzer OUT: PURPLE RED RED YELLOW
IN: tufa lug gazzer OUT: PURPLE PURPLE YELLOW
IN: zup lug zup OUT: BLUE BLUE BLUE
IN: zup OUT: BLUE
IN: tufa tufa OUT: PURPLE PURPLE
IN: tufa lug zup OUT: PURPLE PURPLE BLUE

*GRAMMAR*
gazzer -> YELLOW 
 tufa -> PURPLE 
 zup -> BLUE 
 wif -> RED 
 u1 lug u2 -> [u1] [u1] [u2] 
 u1 kiki -> [u1] [u1] 
 x1 fep x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 