What is the problem in this code. It works fine in a notepad and in your website, but i could not access the next activity. If there is any problem in the way i use English, sorry in advance.
<form action="/submit-cat-photo">
<input id=“indoor” type=“radio” name=“indoor-outdoor”/>
<label for=“indoor”>indoor</label>
<input id="outdoor"type=“radio” name=“indoor-outdoor”/>
<label for=“outdoor”>outdoor</label>
<input type=“text” placeholder=“cat photo URL” required/>
<button type=“submit”>Submit</button>
</form>