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

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

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