And, primarily because of the daunting scientific obstacles, woefully few companies have an aggressive AIDS-vaccine program.
Primarily because of the scientific challenges, few companies invest in AIDS vaccine programs.
Companies have been readily investing in AIDS vaccine research.
The people are wearing suits.
A band is cooking for onlookers.
Three young men play parcheesi.
The two people are floating in the sky
She was watching a repeat of Robi's Appetizers on the Kitchen Annex TV channel.
Two women are sitting at home.