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

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

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