Ms$.$ Maturi has invented a useful device called VIVI that may store millions of data in a second. VIVI is a registered trademark. A competitor corporation M uses the renown VIVI logo without mentioning the name VIVI for his new range of products. Which one of the following statements is correct?

Select one:

M corporation is causing confusion in the mind of other competitors in using VIVI logo $[$a$]$

By using the logo$,$ the M corporation is disclosing the trade secret of Ms$.$ Maturi $[$d$]$

M corporation in its comparative advisement may discredit Ms$.$ Maturis mark $[$b$]$

M corporation by using VIVI logo is taking unfair advantage of Ms$.$ Maturis mark $[$c$]$