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

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

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