    Sentence 1:  and, physics         In carly" Aviation hew muchidid. *hathematios  cori bute andl how tut. wWas;iststrial and  wperimentatisn?         err         Sehierce 2: What arg sonit-aroid-t starch topics. Lean  de brlesl on:power:ohinverng for undergraduates?                   