Please choose the correct ending to complete the given sentence: Health: [header] How to recognize trichomoniasis symptoms (men ) [title] Watch for unusual discharge. [step] One of the most common symptoms of trichomoniasis in men is unusual discharge from the penis. Take stock of any unusual discharge you notice.

Ending1: [substeps] You may notice some yellowish discharge coming from the penis, although it may also be grayish. Any unusual or unexplained discharge may be a sign of an std. Ending2: These can range from a cloudy, grey discharge to a white discharge (like bloody discharge). You may also notice an unpleasant odor or pungent discharge from penis cells (like a black or tan permanent marker). Ending3: It could be from a penis containing infected sperm or a cancerous tumor. [substeps] Abnormal discharge is a sign of trichomoniasis, which is a medical emergency. Ending4: [substeps] The discharge may be warm and clear. It may also be filmy and dull.

Answer format: ending1/ending2/ending3/ending4