( 14 ) subsequently , on october 29 , 1979 , the plaintiffs-appellees jose d. sangalang and lutgarda d. sangalang brought the present action for damages against the defendant-appellant ayala corporation predicated on both breach of contract and on tort or quasi-delict a supplemental complaint was later filed by said appellees seeking to augment the reliefs prayed for in the original complaint because of alleged supervening events which occurred during the trial of the case .