Program music 1. often includes vocal music 2. both tells a kind of story with music and often includes vocal music 3.neither tells a kind of story with music nor often includes vocal music 4.tells a kind of story with music

i would say the answer is b. zigzag lines of the leaves. i believe this is the answer because zigzag lines go in different direction while the other options like: the vertical lines of the trees, the dotted lines on the road, and the curved lines of the park benches go in one direction.

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