instruction: I want to adjust the font size to at least 2 scales because the present font size is difficult to read on the Amazon Kindle app.

previous_actions: 

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      content_description: "you, she thought to herself watching the black dot speed towards the horizon. Had she seriously just adopted a bluebottle as her role model? ‘I mean, yeah. Hopefully…’ She ran her hand along the windowsill then regretted it. ‘It’s a beautiful house – although it definitely needs a dust.’ ‘Ah dust, schmust. Nothing that a flick over with a wet rag won’t cure.’ ‘I’ll take your word for it.’ ‘And four-poster beds though?’ ‘Yep.’ Looking at the enormous bed and imagining herself sinking into it, Nicky felt a little out of place. ‘Look, it’s a big job. And I’m going to do my best. But… I hope I don’t mess it up.’ ‘Don’t be ridiculous.’ Her friend barked out a laugh. ‘Nicky, you are the most capable woman I know. Most people – well, they’d have fallen apart after… well, after everything that happened. But you worked your socks off to support those girls. And now look! You’ve got two daughters standing on their own two feet. Chloe has her own start-up for God’s sake, and when she’s not popping out adorable grandchildren, Amy runs bloody marathons in her spare time… I’m willing to bet there’s nothing you can’t do if you put your mind to it.’ ‘Nothing I can’t do?’ ‘Nothing.’ ‘Except maybe the splits?’ Nicky thought back to a rather intense yoga class they’d attended recently. ‘Ah, the splits are overrated. Only really sought out by yoga teachers and perverted men on Tinder. So 1980s.’ ‘You’re right,’ Nicky said, feeling herself begin to smile. ‘I’ve got this… at least… I think.’"
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assistant: !FUNCTIONCALL{"name": "click", "parameters": {"x": 540, "y": 1200}}