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

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

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