Coach Services designs, markets, and sells a variety of trademarked pr low owns and operates a flea market and collects rent from $75$ to $10$ who sell various products there. On numerous occasions, Coach sent fellow, notifying him of counterfeit sales of Coach trademarked pro the booths. On several occasions, law enforcement officers raided the seized thousands of counterfeit products. Despite all this, Goodfell effort to prevent the booth vendors from violating Coach's trademark Goodfellow for violation of its trademark. Goodfellow defended on th Lanham Act $($which protects trademark rights$)$ allows recovery agains used the mark in commerce without authorization. However, the sti about liability for contributory infringementthe liability of perso induce others to infringe a trademark. Explain the process by which Goodfellow liable despite the absence of a statutory provision prohit infringement.