It is the male-female relationship
It was a beautiful day, so we decided to go to the zoo is compound.
Her brother said there would be boring, but he absolutely loved them. Is complex
More interesting
Feeling associated with it
Correction!!! I read this over a few more times and I think it is the fourth one because it says "words that were once considered slang are now words of full, legitimate standing in our language." It's talking about the the past tense and present tense of slang. So sorry for the confusion
