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

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

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