Match column I with column II and select the correct option from codes given below.
`{:("Column I", "Column II"),("Allergy", (i) "Activation of B-cells"),("Helper T-cells" , (ii)"Immunotherapy"),("AIDS virus", (iii)"Carcinogens"),("X-rays",(iv)"IgE"),("Treatment of cancer", (v) "Single stranded RNA"):}`