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

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

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