Complex sentence: Sweet Revenge is promoted as a shot beverage with relatively high ABV--the 77-proof liqueur is typically served undiluted in a shot glass or over ice, and is a vivid pink colour.
Split into simpler sentences: Sweet Revenge is promoted as a shot beverage with relatively high ABV. The 77-proof liqueur is typically served undiluted in a shot glass or over ice, and is a vivid pink colour.