Numbers began wafting about on the  I'd say at least five
( Numbers ( began ( ( wafting ( about ( on ( the I ) ) ) ) ( 'd ( say ( ( at least ) five ) ) ) ) ) )
(ROOT (S (NP (NNS Numbers)) (VP (VBD began) (SBAR (S (NP (NP (VBG wafting)) (PP (IN about) (PP (IN on) (NP (DT the) (NN I))))) (VP (MD 'd) (VP (VB say) (NP (QP (IN at) (JJS least) (CD five))))))))))
The numbers were coming around.
( ( The numbers ) ( ( were ( coming around ) ) . ) )
(ROOT (S (NP (DT The) (NNS numbers)) (VP (VBD were) (VP (VBG coming) (PRT (RP around)))) (. .)))