What are the six classic cocktails?

1. Martini: Gin and dry vermouth, garnished with an olive or a twist of lemon.

2. Negroni: Gin, Campari, and sweet vermouth, garnished with an orange slice.

3. Manhattan: Whiskey, sweet vermouth, and bitters, garnished with a cherry.

4. Daiquiri: Rum, lime juice, and simple syrup, garnished with a lime wedge.

5. Margarita: Tequila, lime juice, and Cointreau, garnished with a lime wedge or a salt rim.

6. Old Fashioned: Whiskey, sugar, bitters, and a splash of soda water, garnished with an orange slice and a cherry.