Do the leaves have 3-5 LOBES (projections) in PALMATE (like fingers on a hand) arrangement? These are maple trees.

OR

Do the leaves look heart-shaped with a long, tapering tip and smooth outer edges and BLADES (the flat part of a leaf) that are 8"-15" long?
CLUE: The fruit is a thin, brown seed pod 8"-20" long. It is a northern capalpa.

OR

Are the leaves ENTIRE (smooth, untoothed edges), BLADES less than 8" long, with veins that curve to follow the leaf edge? It is a flowering dogwood.