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

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

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