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

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

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