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

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

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