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

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

*GRAMMAR*
fep -> YELLOW 
 blicket -> BLUE 
 gazzer -> GREEN 
 wif -> PURPLE 
 u1 tufa -> [u1] [u1] [u1] 
 u1 zup x1 -> [x1] [u1] 
 x1 lug x2 -> [x2] [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 