The primary "food"
produced by
photosynthesis is a
6-carbon sugar called

The primary "food"  produced by  photosynthesis is a  6-carbon sugar called glucose.

Explanation:

Through photosynthesis, plants use the sunlight to create a sugar called glucose. The plants use this energy to create other substances, such as starch and cellulose. This gives them the nutrients and vitamins they need to grow.

Hope this helps! :)

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.