In this task, you are given a sentence. You must find the primary subject in the supplied sentence. The output must be a sub-sequence in the sentence.

[Q]: One must learn to interpret these characteristics.
[A]: these characteristics


[Q]: When mature the abaca plant, which grows to a height of from 10 to 30 ft, is felled and the fibre from the leaf sheaths is stripped off.
[A]: the abaca plant


[Q]: MATERIALS USED.
[A]:
MATERIALS USED


