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

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

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