But such speculation needs to be tested  we cant just rely on an educated guess. Get CNN Health's weekly newsletter Sign up here to get The Results Are In with Dr. Sanjay Gupta every Tuesday from the CNN Health team. However, data were still being collected in randomized controlled trials  the gold standard  to study the safety and effectiveness of the treatment. Prof Paul Morgan, the director of the Systems Immunity Research Institute at Cardiff University and a member of the British Society for Immunologys expert taskforce on immunology and Covid-19, said there were other reasons for optimism. The research involved 464 adults with moderate Covid-19 who were admitted to hospitals in India between April and July.
such speculation needs to be tested  we cant just rely on an educated guess. get a novel drug from the market.
( z0 multi-sentence :rel ( z1 possible :ARG1 ( z2 rely :ARG0 ( z3 we ) :ARG1 ( z4 thing :ARG1-of ( z5 educate ) :ARG1-of ( z6 guess ) ) :mod ( z7 just ) ) :polarity - ) :snt ( z8 need :ARG1 ( z9 test :ARG1 ( z10 thing :ARG1-of ( z11 speculate ) :mod ( z12 such ) ) ) ) :snt ( z13 get :ARG1 ( z14 drug :mod ( z15 novel ) ) :ARG2 ( z16 market ) ) )
(z0 / multi-sentence
    :rel (z1 / possible-01
             :ARG1 (z2 / rely-01
                       :ARG0 (z3 / we)
                       :ARG1 (z4 / thing
                                 :ARG1-of (z5 / educate-01)
                                 :ARG1-of (z6 / guess-01))
                       :mod (z7 / just))
             :polarity -)
    :snt1 (z8 / need-01
              :ARG1 (z9 / test-01
                        :ARG1 (z10 / thing
                                   :ARG1-of (z11 / speculate-01)
                                   :mod (z12 / such))))
    :snt2 (z13 / get-01
               :ARG1 (z14 / drug
                          :mod (z15 / novel))
               :ARG2 (z16 / market)))
such speculation needs to be tested we cant just rely on an educated guess . get a novel drug from the market .
z10 :mod z12
z10 :ARG1-of z11
z8 :ARG1 z9
z9 :ARG1 z10
z1 :polarity 0
z2 :mod z7
z1 :ARG1 z2
z2 :ARG0 z3
z4 :ARG1-of z5
z2 :ARG1 z4
z4 :ARG1-of z6
z0 :snt1 z8
z0 :snt2 z13
z14 :mod z15
z13 :ARG1 z14
z13 :ARG2 z16
z0 :rel z1