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

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

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