Scientists warn they give a false sense of security because no test is good enough to rule out an infection in someone who doesn't have symptoms, and they don't prevent them picking up the virus on their way home from the test. Scientists warn they give a false sense of security because no test is good enough to rule out an infection in someone who doesn't have symptoms, and they don't prevent them picking up the virus on their way home from the test. But they shouldn't have shut it in the first place. But they shouldn't have shut it in the first place. But they said they had not yet been alerted as to whether they tested positive or negative.
Scientists do know their stuff.
( z0 know :ARG0 ( z1 scientist ) :ARG1 ( z2 stuff :poss z1 ) )
(z0 / know-01
    :ARG0 (z1 / scientist)
    :ARG1 (z2 / stuff
              :poss z1))
Scientists do know their stuff .
z0 :ARG0 z1
z0 :ARG1 z2
z2 :poss z1