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

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

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