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

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

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