Please choose the correct ending to complete the given sentence: Health: [header] How to enjoy chocolate without ruining your diet [title] Choose dark chocolate over milk chocolate. [step] Dark chocolate contains heart-healthy antioxidants, and it may help lower your blood pressure and cholesterol. Unlike milk chocolate, dark chocolate is lower in sugar and higher in fiber and iron.

Ending1: Opt for incorporating dark chocolate into your diet to reap these healthy benefits. [substeps] Look for dark chocolate that has around 70% cocoa or higher. Ending2: Milk chocolate can help prevent diabetes, migraines, and gastroparesis (an in-gut condition that often occurs as a result of high blood cholesterol). [substeps] There is no systemic effect on chocolate. Ending3: [substeps] Dark chocolate contains " sweet " versus " low " levels of these nutrients. There are also " richer " versions of chocolate, which are chock full of added sugar. Ending4: [substeps] White chocolates, which you eat on an all-day basis, have the same health benefits. Solid chocolate high in pectin won't contain cholesterol.

Answer format: ending1/ending2/ending3/ending4