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

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

*GRAMMAR*
tufa -> BLUE 
 wif -> PINK 
 gazzer -> GREEN 
 fep -> PURPLE 
 u1 kiki -> [u1] [u1] [u1] 
 u1 dax -> [u1] [u1] 
 x1 zup x2 -> [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 