Company A signed a contract with company B for a batch of textile on CIF term. The contract stipulated that the date of shipment is from Oct. 10 to Oct.Since liner company speeded up loading and all of the charging work was completed on Oct. 18. And Company A also finished the export formalities. The ship set sail on Oct. 20. But on the 22nd, Company B received urgent telegram, which said that the goods were destroyed by fire. Company B claimed all the losses for Company A. Is this claim reasonable?