Possible Clues:

• In Sartre, a clergyman revealing excessive sentimentality
• Unfinished tea includes clear liquid syrup
• Create large solution of sweet liquid
• Sappiness
• Corked claret accompanying last of wine that's sweet
• One finds in theatre a clear sentimentality
• Contrived sentimentality — sticky substance
• Sweet sticky syrup
• Something sweet, a small volume, consumed by elder?
• React badly to the French molasses