Premise: Principal photography . Principal photography is the phase of film production in which the movie is filmed , with actors on set and cameras rolling , as distinct from pre-production and post-production . Prometheus (2012 film) . Prometheus entered production in April 2010 , with extensive design phases during which the technology and creatures that the film required were developed . Principal photography began in March 2011 , with an estimated US$ 120 -- 130 million budget .
Hypothesis: Prometheus entered post-production in April 2010.
Label: CONTRADICTION