Sentence:  The water in Thor 's big swimming pool had been covered with a blanket of thick , foamy soapsuds - fashioned , <WSD>of</WSD> course , from ZING - Joyce had dived from the board into the pool , then swirled and cavorted in her luxurious `` bath '' while cameras rolled . 
Meaning of the word marked with <WSD> tags:  as might be expected