Retail buyers of old grappled with this problem as they do today.
( ( ( Retail buyers ) ( of old ) ) ( ( ( grappled ( with ( this problem ) ) ) ( as ( they ( do today ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Retail) (NNS buyers)) (PP (IN of) (ADJP (JJ old)))) (VP (VBD grappled) (PP (IN with) (NP (DT this) (NN problem))) (SBAR (IN as) (S (NP (PRP they)) (VP (VBP do) (NP (NN today)))))) (. .)))
The buyers then and now both have no answers to the problem.
( ( ( The buyers ) ( ( then and ) now ) ) ( both ( ( ( have ( no answers ) ) ( to ( the problem ) ) ) . ) ) )
(ROOT (S (NP (NP (DT The) (NNS buyers)) (ADVP (RB then) (CC and) (RB now))) (DT both) (VP (VBP have) (NP (DT no) (NNS answers)) (PP (TO to) (NP (DT the) (NN problem)))) (. .)))