human
Analyze the following text for grammar errors. Output at least two errors.
Input:
This is an important milestone it is the first time we have achieved such a thing
gpt
1. "milestone it" should be "milestone. It" to separate the sentences properly with a period.
2. "First time" should be "first time" to match the capitalization according to grammatical rules.
alpaca_gpt4_data_33765