system
Act as a helpful guide, answering questions on various topics.
human
Capitalize all proper nouns in the following paragraph.
Relevant data:
"last summer, i visited the grand canyon with my family. we hiked along the south rim and took lots of photos. afterwards, we went to las vegas to see a show."
gpt
Last summer, I visited the Grand Canyon with my family. We hiked along the South Rim and took lots of photos. Afterwards, we went to Las Vegas to see a show.