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

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

*GRAMMAR*
tufa -> BLUE 
 zup -> PINK 
 dax -> YELLOW 
 wif -> GREEN 
 x1 gazzer u1 -> [u1] [x1] 
 x1 kiki x2 -> [x1] [x2] [x1] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 