It's a very sunny day
It sounds like a family is enjoying themselves with their dog on the beach. they are running. the boy is running on the top. It's a sunny day. you can see the island over there.
家族が飼い犬といっしょに海辺で楽しんでいるようだ。彼らは走っている。男の子が先頭を走っている。遠くに島が見えるほど天気が良い。
It seems that a family is having fun with their dog at the beach. They are running. A boy is leading the race. The weather is good enough to see an island in the background.
模範解答
They are running barefoot in the sand,
It's a very sunny day, so we can see an island in the background.