    Sentence’ {:The . skull is: then puihctiired.", thie ‘brain,  suctioned out, and’ that?.causes: thé skill, to collapse  soit ean'be-removed from. thebirth ¢anal *         Sentence ‘2: The’ skull is: thei) punctiired ard ‘the ’brain’  suctioned, “Sut,; «causing, the skull to: céllapse -and  @asing passage-through the birth canal ”-°/    