In this task, you are given a sentence. You are expected to write the name of the organism substances in the body mentioned in the input. Although there might be several correct answers, you need to write one of them.

Input: Consider Input:  Increased levels of these cytokines were also found in suprahepatic inferior vena caval blood , but were correlated with the higher portal vein levels , suggesting a gradient from abscess wall to portal vein into the systemic circulation via the liver .

Output: blood


Input: Consider Input:  The proteins responsible for a majority of the higher binding were identified as immunoglobulins , based on their elution from gel filtration columns and the removal of 57 - 88 % of the non - albumin binding by treating of plasma with Protein A - agarose .

Output: plasma


Input: Consider Input:  The second preparation consisted of human IL 1 partially purified from supernatants of human peripheral blood mononuclear cells stimulated with S . albus .


Output: blood