Sky, sea, sun, trees, Wechat elephant, which of the four poems is the most suitable?

There are many poems describing the sky, the sea, the sun and trees.

Poems describing the sky: Mermaids shed pearl-like tears on the moon-green sea, and blue fields breathe their jade to the sun; The sky is vast, when will Ji Xiang be the same?

Poems describing the sea:. ... the night now gives way to the ocean of the sun, and the old year melts in freshness; When there is no wind at sea, the waves are calm

Poems describing the sun: the wind stops the dust and flowers, and the hair is tired at night; Enemy soldiers rolled in like dark clouds in an attempt to tear down the city wall; Our army was ready, and the sun shone on the armor, glittering with gold.

Poems describing trees: willow is easy to be confused like silk wind, plum blossom is difficult to disappear like snow; In two small willow buildings, I have been accompanied by drunkards for many years.