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

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

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