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

*QUERY*
IN: dax fep tufa wif OUT: BLUE PURPLE YELLOW YELLOW
IN: wif OUT: YELLOW
IN: wif tufa dax tufa dax OUT: YELLOW BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep tufa wif OUT: PURPLE YELLOW YELLOW
IN: zup zup OUT: GREEN GREEN
IN: wif tufa fep OUT: YELLOW PURPLE PURPLE
IN: zup tufa zup tufa wif OUT: GREEN GREEN YELLOW YELLOW GREEN YELLOW YELLOW
IN: zup OUT: GREEN
IN: fep zup OUT: PURPLE GREEN
IN: wif dax wif OUT: YELLOW BLUE YELLOW

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