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

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

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