Write the next sentence in this paragraph:

How to care for a glass frog (centrolene prosoblepon )
Provide a stable living environment.
Considering that glass frogs are typically arboreal in nature, they need an enclosure that provides more vertical than horizontal real estate. They need plenty of branches and vines to scale and preferably a nice cork background.

Choose your answer from: (1). The size of enclosure is the standard 10 gallons (37 liters) per inch (2.5 cm) of frog. Some find this a bit extreme, but they love to explore.; (2). They also need a bit of light and warmth to avoid the legal hazards. The right lighting will depend largely on the species in question.; (3). Because of their unusually small size, glass frogs need an enclosure and plenty of room for their hind quarters. Frogs need around 15-to 19 inches (56.86-41.59 cm) for a dedicated enclosure.; (4). Safely put your frog in a suitable enclosure. Keep the enclosure clean of bodily matter-fungi, insects, small critters, leaf mold, and animal urine.;
(1).