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

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

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