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.

Example Input:  However , if the underlying disease is acute lymphoma leukemia ( ALL ) , malignant lymphoma ( ML ) , or acute myelogenous leukemia ( AML ) , the definition of infection is defined as the ability to detect infectious organisms by blood culture analysis .
Example Output: blood

Example Input:  In addition rubella virus was isolated from breast milk MNCs in one individual at nine months postvaccination and from peripheral blood MNCs in two of four breast - fed infants studied at 12 - 18 months of age .
Example Output: blood

Example Input:  In newborn pigs , sympathetic nerves may attenuate hypertension - induced increases in blood flow to the cerebrum , but do not appear to affect flow to the rest of the brain .
Example Output:
blood