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

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

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