Clue A5

Clue A5 (codeword: Veteran)
Flavor Text: At this quiet bench at Telok Blangah Hill Park, please sit down and have a short break. Look at the greenery around you. Mankind started with the Paleolithic period where humans generally lived as nomadic hunters-gatherers. Eventually, mankind moved to the Neolithic period where a great change termed as the Agricultural Revolution occurred. Agricultural systems developed and this made possible complex societies known as civilizations. Human did not need to move around for food anymore. With agriculture, they finally could remain rooted at one place for their entire lives. Unfortunately, you do not have this luxury. Your break is over, time to move on with your next clue.

Clue A5: Find the face of our founder read for the signs.
(really, it is just 1 line)