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

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

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