An user English
says…

The
Determiner
  pair
Noun
  argued
Verb
  and
Coordinating conjunction
  were
Auxiliary
  unreasonable
Adjective
  toward
Adposition
  each other
.

The pair argued and were unreasonable toward each other.
Words and sentences
New
the

New
pair

New
argued

simple past and past participle of argue

New
and

New
were

New
unreasonable

  1. Without the ability to reason; unreasoning.
  2. Not reasonable; going beyond what could be expected or asked for.

New
toward

New
each other

To one another; one to the other; signifies that a verb applies to two or more entities both as subjects and as direct objects

Comments