The following code I wrote in haskell
```hs
factorial(1)=1
factorial(n)=n*(n-1)*factorial(n-2)
```
gives me an error when I try to run it. Is there anything I did wrong?
detectable_content:postscript detectable_content:number_placeholders change_case:capital_word_frequency length_constraints:number_sentences startend:quotation language:response_language punctuation:no_comma
P.P.S
at least
less than
ta
please explicitly add a note starting with P.P.S The response must contain at least 2 placeholders represented by square brackets Use words in all capital letters at least 1 times Please make sure the response less than 3 sentences long You need to wrap your entire response in double quotes Please respond to me only in Tamil In your response please avoid using commas