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

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

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