んだそうだ
urikonda sōda

Godan Verb (mu)
Evidential Auxiliary

Expresses hearsay about a past event ("I heard that...") of 売り込む

1. They say (he/she/it) pitched it.; They say (he/she/it) marketed it.; They say (he/she/it) promoted it.

Past/Perfective
Hearsay Evidence