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

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

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