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

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

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