The old scoreboard is a tired warhorse that was originally constructed in the 1970s. It is now hard to find replacement parts when something breaks. The old scoreboard is not energy efficient. Coca-Cola has offered to buy a new sports scoreboard in return for exclusive rights to sell soda pop on campus. The old scoreboard should be replaced for many reasons. It shows only scores for football games. When we have soccer games or track meets, we are without a functioning scoreboard. Which sentence should be the topic sentence? Which sentence(s) should be developed in a separate paragraph? Which sentences should become support sentences?

Answer and Explanation:

Topic Sentence: The old Scoreboard is not energy efficient.

Explanation: The whole paragraph is based upon the Scoreboard. And the paragraph is giving us the idea that the old Scoreboard is not efficient enough to work, and its parts should be replaced to make it more reliable for every other game. So this should be the topic sentence of the whole paragraph.

The sentence which we can use in a separate paragraph:

.Coca-Cola has offered  a new sports scoreboard in return for exclusive rights to sell soda pop on campus.

Explanation: This sentence could be used in a separate paragraph because we can further elaborate on this topic by explaining how coca-cola using commercialized strategy. Through which they are providing benefits to others side by side getting their benefit too.

Support sentences: Coca-Cola has offered to buy a new sports scoreboard in return for exclusive rights to sell soda pop on campus.

The old Scoreboard  replaced for many reasons.

It shows only scores for football games.

Explanation: This paragraph's topic sentence is, “The old scoreboard is not energy efficient.”

And to support this idea, there is the further explanation which is:

I was giving reasons to replace the Scoreboard.