premise1: Three girls are sitting at desks and appear to be working intently.
premise2: Two young ladies are sitting at desks writing in notebooks.
premise3: A student is sitting down taking an exam.
premise4: Students inside a classroom taking notes.
premise: Three girls are sitting at desks and appear to be working intently. Two young ladies are sitting at desks writing in notebooks. A student is sitting down taking an exam. Students inside a classroom taking notes.
hypothesis: A blond girl sitting.