Please answer the following question: Extract the answer to the question from the following context. Question: Which effect of water is unique to wood, at least in this context? Context: The general effect of the water content upon the wood substance is to render it softer and more pliable. A similar effect of common observation is in the softening action of water on rawhide, paper, or cloth. Within certain limits, the greater the water content, the greater its softening effect.
A:
pliable