premise: A female researcher videotaping a specimen.
hypothesis: A women is poking a specimen with a stick.
explanation_1: A female is singular.  Women is plural.  There is only one female researcher.  Just because the female is videotaping the specimen does not mean she is poking it with a stick.
explanation_2: Researching a specimen does not imply poking it with a stick.
explanation_3: Just because the woman is videotaping a specimen does not mean she is poking it with a stick.
premise_logic: exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_videotape(e1) & n_specimen(x3) & (x1 = x2) & n_researcher(x1) & a_female(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_poke(e1) & with(x2,x3) & n_stick(x3) & n_specimen(x2) & n_woman(x1))