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

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

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