*SUPPORT*
IN: gazzer gazzer kiki OUT: GREEN GREEN GREEN GREEN GREEN
IN: wif zup dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: tufa OUT: PURPLE
IN: wif wif dax dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: gazzer wif kiki OUT: GREEN YELLOW YELLOW YELLOW YELLOW
IN: fep OUT: BLUE
IN: gazzer fep wif zup OUT: GREEN BLUE YELLOW YELLOW YELLOW YELLOW
IN: fep gazzer fep dax OUT: BLUE GREEN BLUE BLUE GREEN BLUE
IN: tufa kiki dax OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif tufa dax OUT: YELLOW PURPLE YELLOW PURPLE
IN: fep dax OUT: BLUE BLUE
IN: fep kiki OUT: BLUE BLUE BLUE BLUE
IN: gazzer fep dax dax OUT: GREEN BLUE GREEN BLUE GREEN BLUE GREEN BLUE
IN: tufa zup OUT: PURPLE PURPLE PURPLE PURPLE

*QUERY*
IN: fep wif kiki OUT: BLUE YELLOW YELLOW YELLOW YELLOW
IN: wif zup OUT: YELLOW YELLOW YELLOW YELLOW
IN: wif tufa gazzer kiki OUT: YELLOW PURPLE GREEN GREEN GREEN GREEN
IN: fep zup OUT: BLUE BLUE BLUE BLUE
IN: gazzer tufa tufa zup OUT: GREEN PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif OUT: YELLOW
IN: tufa kiki OUT: PURPLE PURPLE PURPLE PURPLE
IN: gazzer kiki OUT: GREEN GREEN GREEN GREEN
IN: fep kiki dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif wif kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW

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