If scientific trials with humans revealed that treatment with p41 reduces Ebola infections, which of the following is the appropriately worded conclusion?

The experimental results did not support the prediction that p41 prevents Ebola in patients.
The results supported the hypothesis that p41 prevents Ebola infection.
Scientific experiments showed that cathepsin prevents p41 function.
Scientists proved that p41 prevents Ebola infections in humans.
The research on p41 treatments to prevent Ebola was inconclusive.

The results supported the hypothesis that p41 prevents Ebola infection.