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

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

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