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.

Ex Input:
 Although the time to hospital discharge did not differ in the full sample ( 9 . 2 d for both groups ) , it was greater among those receiving cefazolin ( 8 . 6 vs . 8 . 0 d ; p < 0 . 05 ) when patients with lengths of stay exceeding 24 days were excluded from both groups .

Ex Output:
sample


Ex Input:
 These new recommendations and revelations open the door for local antimicrobial approaches to reduce the challenge of plaque - induced bacteremias .

Ex Output:
plaque


Ex Input:
 Plasma from 182 patients with different malignant diseases was tested for riboflavin binding by immunoglobulins , which have been recently identified as major carriers of this micronutrient .

Ex Output:

Plasma


