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

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

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