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

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

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