The conversation between human and AI assistant.
[|Human|] Edit the given story to shorten the story length to less than 150 words.
[|AI|] Alex, nervous yet confident, had been studying for his big math test for weeks. But as the test began, his anxiety spiked, and he started doubting himself. He got increasingly confused, certain he'd fail, but he persisted.
[|Human|] 
Edit the given story to shorten the story length to less than 150 words.