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

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

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