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

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

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