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

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

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