Which bike

Buying for my girlfriend who is new to the sport. We’ll be doing mostly trail riding in front range Colorado. Would like to spend under 800ish if possible.

https://www.specialized.com/us/en/rockhopper-29/p/199589?color=319830-199589&searchText=91822-7603

https://www.sunandski.com/p/77050065570002302/Rocky-Mountain-Fusion-10-29-Mountain-Bike?vpc=77050065570002302-018309004&gad_source=1&gclid=EAIaIQobChMIgd_z7uLAhwMVGAKtBh1tXwUUEAQYAyABEgIYkPD_BwE