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

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

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