This question is based on selected poems from:

R. Johnson and D. Ker er al (eds.): New Poetry from Africa; Wole Soyinka (ed.): Poems of Black Africa; K.E. Senanu and T. Vincent (eds.): A Selection of African Poetry; M. Umukoro and A. Sani et al (eds.) Exam Focus: Literature in English; A.E. Eruvbetine and M. Jibril et al (eds.): Longman Examination Guides: Poetry and E.W. Parker (ed.): A Pageant of Longer Poems.

In Wole Soyinka's "Telephone Conversation," the dominant literary technique deployed is