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

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

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