{"result":{"text":"begin mathsize 14px style A with rightwards arrow on top open parentheses 1 comma negative 1 comma 2 close parentheses comma stack space B with rightwards arrow on top open parentheses 2 comma 0 comma negative 1 close parentheses comma stack space C with rightwards arrow on top open parentheses 0 comma 2 comma 1 close parentheses end style"},"status":"ok"}