(I) Teachers have always known that their students have
different strengths. (II) In language teaching field, some
of the differences among students have been attributed
to students’ having different learning or cognitive styles.
(III) For instance, some students are better visual
learners than aural learners. (IV) Teachers who
recognize the multiple intelligences of their students
acknowledge that students bring with them several
characteristics that influence the way they learn.
(V) They learn better when they are able to read new
material rather than simply listen to it, though many
learners can learn equally well either way.

Which of the sentences in the given paragraph is
irrelevant, violating its unity and coherence?