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

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

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