Matt reads the Wall Street Journal and other newspapers regularly to keep updated on financial metrics.
People either invest in the public stock market regularly or enjoy gambling regularly. If people invest in the public stock market regularly, then they read the Wall Street Journal and other newspapers regularly to keep updated on financial metrics. All people who enjoy gambling regularly spend a lot of money at casinos and other betting games. People who spend a lot of money at casinos and other betting games visit the Las Vegas Strip regularly. People who spend a lot of money at casinos and other betting games have a lot of disposable income to spend. If Matt invests in the public stock market regularly, then Matt neither has a lot of disposable income to spend nor invests in the public stock market regularly. 
∀x (Invests(x) ∨ Gambling(x)) ∀x (Invests(x) → Newspapers(x)) ∀x (Gambling(x) → Casinos(x)) ∀x (Casinos(x) → LasVegas(x)) ∀x (Casinos(x) → DisposableIncome(x)) Invests(matt) → ¬DisposableIncome(matt) ∧ ¬Invests(matt)