What type of error can be found in the paragraph below?
Summer vacation comes only once a year, so my friends, and I plan to make the best of it. We're going to sleep until noon, eat all of the pizza and ice cream we can and then lay around the house playing video games. If we are feeling truly adventurous, my friends and I might even go outside for a few hours.
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subject-verb agreement
punctuation
spelling
capitalization