Two economists at Virginia Commonwealth University--yes, here are the economists again, but this time making a more plausible argument--studied millions of auto-accident claims filed between 1989 and 1993.
( ( ( Two economists ) ( at ( Virginia ( Commonwealth University ) ) ) ) ( ( -- ( ( ( ( ( yes ( , ( here ( ( are ( the economists ) ) again ) ) ) ) , ) but ) ( ( this time ) ( making ( a ( ( more plausible ) argument ) ) ) ) ) -- ) ) ( ( studied ( millions ( of ( ( auto-accident claims ) ( filed ( between ( ( 1989 and ) 1993 ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NP (CD Two) (NNS economists)) (PP (IN at) (NP (NNP Virginia) (NNP Commonwealth) (NNP University)))) (PRN (: --) (S (S (INTJ (UH yes)) (, ,) (ADVP (RB here)) (VP (VBP are) (NP (DT the) (NNS economists)) (ADVP (RB again)))) (, ,) (CC but) (S (NP (DT this) (NN time)) (VP (VBG making) (NP (DT a) (ADJP (RBR more) (JJ plausible)) (NN argument))))) (: --)) (VP (VBD studied) (NP (NP (NNS millions)) (PP (IN of) (NP (NP (JJ auto-accident) (NNS claims)) (VP (VBN filed) (PP (IN between) (NP (CD 1989) (CC and) (CD 1993)))))))) (. .)))
The researchers contacted insurers for the data from 1989 and 1993.
( ( The researchers ) ( ( ( ( contacted insurers ) ( for ( the data ) ) ) ( from ( ( 1989 and ) 1993 ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS researchers)) (VP (VBD contacted) (NP (NNS insurers)) (PP (IN for) (NP (DT the) (NNS data))) (PP (IN from) (NP (CD 1989) (CC and) (CD 1993)))) (. .)))