Read the following paragraph and determine if the hypothesis is true:

Preliminary tests identified the source of the outbreak as the highly contagious norovirus, which had struck several guests just before they boarded the cruise Nov. 3 in Rome, Carnival officials said.

Select from the following.
1). Yes.
2). It's impossible to say.
3). No.
Hypothesis: Lots of people became sick on the cruise.
2).