The joke that Oliver tells is a pun. Why is this joke considered a pun? (Fish in a Tree) Pun:
Hold your arms over your head to make a circle. Then spell 'image' and then say lightbulb.

There are variations to the joke but ultimately it's about getting someone to say they are a type of light bulb. GE (General Electric) is a manufacturer of light bulbs. Asking someone to spell the word 'image' then say 'light bulb' afterward produces this response: I M A GE light bulb which is heard as 'I am a GE light bulb'

Explanation:

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explanation:

a complex sentence consists of an independent clause and one or more dependent clauses.  

to write complex sentences, we must use subordinating conjunctions.  

all the complex sentences begin with a subordinating conjunction and when it occurs, a comma must be place at the end of the dependent clause. on the contrary, if the sentence begins with an independent clause, then no comma is used.

after  

although  

as  

because  

before  

if  

since  

when  

for example,  

after she won the competition, she became very popular.  

although my father was hurt, he continued fighting for his rights.  

as all of you got a ten, you will be able to leave early today.  

before he went to the war, he asked his parents to bless him.  

if it is cold, i won’t go out.  

since you didn’t bring the homework, you will get low grades.  

when it is hot in the town, everyone goes to the beach.