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

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

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