A US company has made a bid for a Swiss defense contract. If they get the contract, they will need 100 million Swiss Francs to start the project. But the firm does not know if their bid will be accepted. Under this circumstance, what would be the best way for the US company to hedge against exchange rate risk? (Choose the best one)

Sell SF futures contract

Buy SF call options contract

Sell SF call options contract

Buy SF put options contract

Sell SF forward contract