It is an important point but we cant at the moment say anything about that, he said. These results are very encouraging and have given us great reasons to be optimistic for the future, said Professor Aziz Sheikh, director of the University of Edinburghs Usher Institute. These results are very encouraging and have given us great reasons to be optimistic for the future, said Aziz Sheikh, a professor at the University of Edinburghs Usher Institute who co-led the study. These results are very encouraging and have given us great reasons to be optimistic for the future, said Aziz Sheikh, a professor at the University of Edinburghs Usher Institute who co-led the study. Sheikh cautioned at a media briefing that the results are preliminary data, yet to be peer-reviewed by independent scientists, but added: I am very encouraged.
the is no difference in the case of scotland.
( z0 differ :polarity - :topic ( z1 country :name ( z2 name :op "Scotland" ) ) )
(z0 / differ-02
    :polarity -
    :topic (z1 / country
               :name (z2 / name
                         :op1 "Scotland")))
the is no difference in the case of scotland .
z0 :polarity 0
z0 :topic z1
z1 :name z2
z2 :op1 1