F calls $($with strike $$30)$ are being traded at $$5$ whereas F shares are being sold at $$40$ in the Market. You give your broker some simultaneous instructions $...($Choose the alternative that can be considered exploiting an arbitrage opportunity$)$

$$ Buy the F call at $$5$ and wait for a reversal to take place $($Your believe in mean$-$reversion$)$

Short$-$sell F stock at $$40||$ Buy the F call at $$5$ and exercise it$,$ thus you buy the F stock at the strike $($ $$30)||$ Deliver the F stock and close the short position

Wait a second $q,$ There is no arbitrage opportunity here

Buy the F stock at $$40||$ Buy the F call at $$5$ and exercise it$,$ thus you buy the Fstock at the strike $($$$30)||$ Wait for the best timing to sell