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

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

*GRAMMAR*
tufa -> BLUE 
 gazzer -> PURPLE 
 blicket -> GREEN 
 wif -> YELLOW 
 u1 zup u2 -> [u2] [u1] 
 x1 dax u1 -> [x1] [u1] 
 u1 fep u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 