Adam the buyer agreed to buy 20 sets of stationary from perter,the seller. According to section 453 that is peter had intended transfers to ownership of property to Adam and Peter complete to trade and the ownership transfers to Adam from section 453 when at night there was a flood causing damages to those sets of stationary that is an unforeseen natural disaster and was damages to stationary. So Adam the buyer was of responsible of property because ownership of property to transfers Adam that Adam agrees to purchased from Adam the seller and Adam had to purchased of stationary to Peter from section 458.