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

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

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