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

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

*GRAMMAR*
wif -> GREEN 
 gazzer -> PURPLE 
 fep -> PINK 
 dax -> BLUE 
 x1 tufa x2 -> [x1] [x2] [x2] [x2] [x1] [x1] 
 u1 zup -> [u1] [u1] [u1] [u1] 
 u1 kiki u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 