413. It is sometimes contended that who and which should always be coördinating, and that always restrictive; but, according to the practice of every modern writer, the usage must be stated as follows:—
A loose rule the only one to be formulated.
Who and which are either coördinating or restrictive, the taste of the writer and regard for euphony being the guide.
That is in most cases restrictive, the coördinating use not being often found among careful writers.
Exercise.
In the following examples, tell whether who, which, and that are restrictive or not, in each instance:—
Who.
1. "Here he is now!" cried those who stood near Ernest.—Hawthorne.
2. He could overhear the remarks of various individuals, who were comparing the features with the face on the mountain side.—Id.
3. The particular recording angel who heard it pretended not to understand, or it might have gone hard with the tutor.—Holmes.