The study was not set up to look at any differences between the two. The numbers were very small and there was uncertainty over their significance, said the researchers. 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.
needy people are mentioned in the text.
( z0 mention :ARG0 ( z1 text ) :ARG1 ( z2 person :mod ( z3 needy ) ) )
(z0 / mention-01
    :ARG0 (z1 / text)
    :ARG1 (z2 / person
              :mod (z3 / needy)))
needy people are mentioned in the text .
z2 :mod z3
z0 :ARG1 z2
z0 :ARG0 z1