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

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

*GRAMMAR*
tufa -> BLUE 
 gazzer -> GREEN 
 wif -> PINK 
 zup -> YELLOW 
 u1 kiki x1 -> [u1] [x1] [u1] 
 u1 dax u2 -> [u1] [u2] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 