In that scenario, three scientists presented what looked like an alien skull, allegedly found in the Black Rock Desert during an archaeological dig in a 9,500-year-old Indian cave.
(an alien skull; allegedly found; L:in the Black Rock Desert; T:during an archaeological dig in a 9,500-year-old Indian cave) (three scientists; presented; what looked like an alien skull; L:In that scenario)
an alien skull three scientists
allegedly found presented
L:in the Black Rock Desert T:during an archaeological dig in a 9,500-year-old Indian cave
what looked like an alien skull L:In that scenario