<prompt> Translate the following text to EnglishKatika jaribio lake linaloendelea, anapaswa kuwa na uwezo wa kushughulikia swali hili kwa sababu vijana watagawanywa kwa nasibu kwa vikao vya kuimarisha au vikao kimoja.  <response>: In his continuing trial, he should be able to address this question because adolescents will be randomized to booster sessions or a single session. 