Final answer:
The relationship 'difference:opposite' refers to an antonym relationship. In a topic sentence, this relationship helps set up a contrast between two subjects by highlighting a fundamental opposition in their respective characteristics.
Step-by-step explanation:
When examining the relationship 'difference:opposite', it appears to denote an antonym relationship. This is where two words have opposite meanings, such as 'hot' and 'cold'. In creating a working topic sentence for Structure #2 with this relationship in mind, it is important to recognize both the similarities and differences that may exist between the two subjects.
A working topic sentence could be: 'While Subject 1 and Subject 2 share certain similarities, including _______, they are fundamentally different in that Subject 1 is _________, the opposite of Subject 2’s _________.'
This approach establishes a clear contrast and a foundation for discussing the distinct characteristics of each subject, underscored by their antonymic qualities.