In which of the following patients would the head tilt-chin lift maneuver be the MOST appropriate method of opening the airway?

A 24-year-old male who is found unconscious at the base of a tree

A 37-year-old female who is found unconscious in her bed

A 45-year-old male who is semiconscious after falling 20 feet

A 50-year-old male who is unconscious following head trauma