*SUPPORT*
IN: wif dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: gazzer dax OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer wif dax OUT: YELLOW PURPLE PURPLE PURPLE PURPLE
IN: gazzer OUT: YELLOW
IN: lug OUT: BLUE
IN: wif tufa OUT: PURPLE PURPLE PURPLE
IN: lug tufa OUT: BLUE BLUE BLUE
IN: wif wif OUT: PURPLE PURPLE
IN: lug lug tufa OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: lug dax OUT: BLUE BLUE BLUE BLUE
IN: gazzer fep OUT: YELLOW YELLOW
IN: gazzer tufa OUT: YELLOW YELLOW YELLOW
IN: lug gazzer OUT: BLUE YELLOW
IN: lug gazzer dax OUT: BLUE YELLOW YELLOW YELLOW YELLOW

*QUERY*
IN: gazzer gazzer OUT: YELLOW YELLOW
IN: wif fep OUT: PURPLE PURPLE
IN: gazzer blicket fep OUT: YELLOW GREEN GREEN
IN: gazzer wif tufa OUT: YELLOW PURPLE YELLOW PURPLE YELLOW PURPLE
IN: wif OUT: PURPLE
IN: blicket fep OUT: GREEN GREEN
IN: wif gazzer fep OUT: PURPLE YELLOW YELLOW
IN: lug fep OUT: BLUE BLUE
IN: blicket dax OUT: GREEN GREEN GREEN GREEN
IN: blicket fep tufa OUT: GREEN GREEN GREEN GREEN GREEN GREEN

*GRAMMAR*
wif -> PURPLE 
 gazzer -> YELLOW 
 blicket -> GREEN 
 lug -> BLUE 
 x1 tufa -> [x1] [x1] [x1] 
 u1 dax -> [u1] [u1] [u1] [u1] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 