With stem-changing verbs, the stem often does not change for
a. first and second person singular
b. first and second person plural
c. second and third person singular
d. second and third person plural

do you have a picture of the cartoon?

from the political point of view it could be said that the candidate   is an effective speaker because she takes a strong position on the issue. it is an open discussion but probably she is making a presentation and can choose which subjects she wants to address. she is very likely to attain her aim which is to convince voters to accept her proposal.