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

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

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