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

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

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