( ( For ( pathogens ( that ( are ( antigenically variable ) ) ) ) ) ( , ( ( one solution ) ( ( is ( to ( use ( ( ( antibody cocktails ) ( of agents ) ) ( active ( against ( the ( ( most common ) ( antigenic types ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN For) (NP (NP (NNS pathogens)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (ADJP (RB antigenically) (JJ variable))))))) (, ,) (NP (CD one) (NN solution)) (VP (VBZ is) (S (VP (TO to) (VP (VB use) (S (NP (NP (NN antibody) (NNS cocktails)) (PP (IN of) (NP (NNS agents)))) (ADJP (JJ active) (PP (IN against) (NP (DT the) (ADJP (RBS most) (JJ common)) (JJ antigenic) (NNS types))))))))) (. .)))
For pathogens that are antigenically variable, one solution is to use antibody cocktails of agents active against the most common antigenic types.
(ROOT (S (NP (DT An) (NN antibody)) (VP (MD can) (VP (VB match) (NP (NP (CD one) (NNS types)) (PP (IN of) (NP (NNS antigens)))))) (. .)))