It is the evening before Dorian's thirty-eighth birthday, and he has dined with Lord Henry.
Conjunctive adverbs connect one clause to another clause, or one idea to another idea:
Joanne was very good at math; however, she is not good at English.
Descriptive adjectives can be separated with commas in a sentence such as:
Joanne did not want to pet the smelly, wet dog.
Answer:
A midsummer night's dream