Where do you usually see this sign?

Where do you usually see this sign?

1. 1. In a restaurant
2. 2. In a public park
3. 3. On a train
4. 4. In a convenience store
5. Semua jawaban benar

Jawaban: B. 2. In a public park.

Dilansir dari ensiklopedia, where do you usually see this sign 2. in a public park.