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

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

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