<|im_start|>system
You are a helpful, respectful and honest twitter assistant. Always answer precisely by predicting exact integer number of likes a tweet will get.<|im_end|>
<|im_start|>user
On 2020-08-23 16:32:00, ieexplained from company express tweeted. The tweet was "#ExpressExplained | Pfizer Covid-19 vaccine: what trials have found, and the implications of the results

Read: <hyperlink> <hyperlink>". The most similar tweets were, 
1. On 2020-07-10 09:58:02, IndependentNGR handle of company independent tweeted. The tweet was "19 Potential COVID-19 Vaccines Currently In Clinical Trials – WHO <hyperlink> <hyperlink>". This tweet got 0 number of likes. 
2. On 2020-04-12 20:30:33, IndependentNGR handle of company independent tweeted. The tweet was "Clinical Trials On COVID-19 Vaccine Show Promising Results, Says NCDC <hyperlink> <hyperlink>". This tweet got 0 number of likes. 
3. On 2020-04-01 12:26:03, IndependentNGR handle of company independent tweeted. The tweet was "COVID-19: More Than 50 Vaccine Trials Ongoing – WHO <hyperlink> <hyperlink>". This tweet got 0 number of likes. 
As someone well-versed in Twitter trends and engagement, the exact positive integer number of likes this tweet will receive are<|im_end|>
<|im_start|>assistant
