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

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

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