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

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

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