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

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

*GRAMMAR*
blicket -> YELLOW 
 tufa -> PURPLE 
 lug -> BLUE 
 wif -> GREEN 
 u1 zup x1 -> [u1] [u1] [x1] [x1] 
 x1 fep x2 -> [x2] [x1] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 