claim: A nation at the 2008 Summer Olympics had seven athletes participated on behalf, one the son of a boxer. This boxer is from the U.S. nation. Pilosocereus robinii has been reported in the nation.
supporting_facts.key: Julius Jackson
supporting_facts.key: Julian Jackson (boxer)
supporting_facts.key: Virgin Islands at the 2008 Summer Olympics
supporting_facts.key: Pilosocereus robinii