a bouquet of flowers 
a bouquet in a vase
a bouquet in a blue vase
the vase is blue 
the vase is on a desk 
a group of flowers
the vase is shiny 
a flower arrangement in a vase 
a bouquet of flowers in a vase 
a bouquet of roses 
a glass vase 
these are roses 
a purple vase sitting on a table filled with flowers