Sentence 1: Harry was presenting his research at a symposium. 
 Sentence 3: It was very mentally taxing 
 Sentence 4:  Apparently his PI had told his friends about Harry's work 
 Sentence 5:  That's why he was getting questioned all day 
 Option 1: Researchers in the field kept asking him a myriad of questions. 
 Option 2: No one really cared and he didnt get questions.