You are given a screenshot of an HTML element. You need to figure out what its shape means.

MAKE SURE YOU OUTPUT VALID JSON. No text before or after JSON, no trailing commas, no comments (//), no unnecessary quotes, etc.
Reply in JSON format with the following keys:
{
    "confidence_float": float, // The confidence of the action. Pick a number between 0.0 and 1.0. 0.0 means no confidence, 1.0 means full confidence
    "shape": string, // A short description of the shape of element and its meaning
    "recognized": bool, // False if you can't recognize the shape or you don't understand the meaning, otherwise true.
}