Task: Question Answering
Input (English): Passage: Todd Acosta, his girlfriend Sarah Fletcher, and their new carpooling friends Jodi, Keren, Jeff, and Eric become stranded on a remote country road when their SUV suffers a tire blowout. While changing the tire, Jeff is suddenly killed by silent sniper fire. The unseen sniper shoots Sarah next, prompting Eric to take cover behind a tree stump while Jodi, Keren, and Todd hide behind the vehicle. The sniper shoots a cellphone off a selfie stick when the trio behind the vehicle tries getting a signal to call 911. Keren uses her hoodie to create a distraction while Todd, who is additionally suffering from a slug lodged in his arm, unsuccessfully attempts to put the SUV in neutral so it can be moved for rolling cover. Eric uses a video shot from his cellphone camera to determine the sniper's position.
Todd retrieves a toolbox and duct tapes its metal lid to his arm for protection. Although he takes another shot in the process, Todd manages to get the SUV rolling on his second attempt. However, the SUV rolls in the opposite direction until the sniper shoots out another tire and disables it. Eric tries running toward nearby trees in the commotion. The sniper shoots Eric in his ankle as well as his leg. Eric hits the ground and eventually passes out.
Keren uses a lighter to heat a hammerhead for cauterizing Todd's arm wound. After retrieving a water bottle from the backseat and taking swigs themselves, the trio tosses the bottle to Eric. The sniper shoots Eric through his hand when he tries taking a sip. During a quiet moment, Todd tells Jodi and Keren that his girlfriend Sarah was pregnant, but lost their baby. Lost in reflection and losing hope, Todd goes to drape a shirt over Sarah's face. Surprisingly, the sniper does not fire. Eric eventually dies from blood loss. 
Question: What are the first names of the trio that tosses the water bottle to Eric?
Output (English): Keren.