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

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

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