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

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

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