In a possible murder case in which a body was found in the remains of a building destroyed by fire, which of the following facts in evidence would most likely serve the purpose of establishing corpus delicti for the murder?

Read the following passage, then answer questions based solely on information from the passage.    

Corpus delicti means the body of the crime. In a homicide case, the corpus delicti consists of the fact that a human being is dead and that the death was caused by the criminal act or agency of another person, and was not suicide, natural, or accidental. In an arson case, the corpus delicti consists of the fact that a building was burned and that the fire was caused by the criminal act or agency of another person, and was not accidental.