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

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

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