The Ebro Delta (delta de l'Ebro) is the largest humid zone in Catalonia. It is the second most important natural aquatic habitat in Spain after the Doana National Park. The Delta is of international importance for its plant species and its fauna.

Based on that paragraph can we conclude that this sentence is true?
the agent is aged more than 4

Available choices: a). Yes; b). It's impossible to say; c). No;