Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: Heart heavy for lost furry family members. Remembering Max and Ozzie. Forever friends as 🐶😇
This tweet contains emotions: 
sadness