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

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

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