<human>: Does the sentence "While von Neumann did not originate the "implosion" concept, he was one of its most persistent proponents, encouraging its continued development against the instincts of many of his colleagues, who felt such a design to be unworkable." provide a valid answer to the question "Did von Nemann think that the atomic bomb design was not workable?"
OPTIONS:
- yes
- no
<bot>: yes