Beth invited friends for a bbq and touch football game in her backyard. roger, one of her guests, broke his ankle when his foot slipped into a hole as he ran out for a pass. several malfunctioning sprinkler heads have been removed from the lawn for repairs, leaving dangerous, but hidden, holes. in common law, would beth be liable to roger for his injuries? a) yes, she had a duty to warn him of hidden dangers. b) yes, she is liable in strict liability. c) no, her only duty to roger was not to entrap him on the property. d) no, as an adult roger is presumed to have the legal ability to take care of himself.