I would say the tone of this sentence is formal.
The statement above is FALSE.
When Dustan was coming back home in the night, he decided to check Silas Manner in order to borrow a lantern and to also use the opportunity to talk to him about borrowing money. When Dustan got to Silas house, it met the room empty with a meat cooking on the fire. Dustan wondered if Silas is dead, he then looked for his money, took it and went out of the house quickly.
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Answer: No it is not a run-on sentence</h3>
At a first glance, the long length of the sentence seems to suggest it is a run-on. This is misleading because we basically have one thought being expressed. That thought is "you should try the soup".
The first part "If you have a hankering for a delicious bowl of soup" is the dependent clause which relies on the rest of the sentence (independent clause). The independent clause looks like a run-on all by itself, but it's just in the form of "you should try the soup made of x, y and z" where you replace the letters x,y,z with the ingredients listed. I'm paraphrasing this part of course. Another way you could paraphrase the whole thing is "if you are craving soup, then you should try french onion soup made of various ingredients". I'm sure you can probably get more creative.
the preposition is c) Under
