Macleod, back from holiday, was still skeptical of the results and asked them to repeat the experiment several more times.
(Macleod; back was; T:still; skeptical of the results) (Macleod; asked; them; to repeat the experiment several more times) (them; to repeat; the experiment; T:several more times)
Macleod Macleod them
back was asked to repeat
T:still skeptical of the results
them to repeat the experiment several more times
the experiment T:several more times