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. 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. 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 study was not set up to look at any differences between the two.
Scientists gave us zero reasons to be optimistic.
( z0 give :ARG0 ( z1 scientist ) :ARG1 ( z2 reason :quant 0 :ARG0-of ( z3 cause :ARG1 ( z4 optimistic :domain ( z5 we ) ) ) ) :ARG2 z5 )
(z0 / give-01
    :ARG0 (z1 / scientist)
    :ARG1 (z2 / reason
              :quant 0
              :ARG0-of (z3 / cause-01
                           :ARG1 (z4 / optimistic
                                     :domain (z5 / we))))
    :ARG2 z5)
Scientists gave us zero reasons to be optimistic .
z0 :ARG0 z1
z0 :ARG2 z5
z0 :ARG1 z2
z2 :ARG0-of z3
z2 :quant 0
z3 :ARG1 z4
z4 :domain z5