Question: Was Mark Twain a struggling inventor?, Answer:No, Description of Mark Twain: American author and humorist, Fact1: Twain patented three inventions., Fact2: Twain created and sold over 25,000 self-pasting scrapbook creations., Fact3: Twain invented an improvement in adjustable and detachable straps for garments to replace suspenders.
Step1: What did Mark Twain invent?, Step2: How much of #1 did Mark Twain sell?, Step3: Were the sales of #2 not enough to turn a profit?, Wikipedia page for step 1: wiki: Mark Twain, Wikipedia page for step 2: wiki: Mark Twain, Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False