1) I think, it is food. 2) I think, it's food. 3) I think, it is a food. 4) I think, its a food. 5) I think, it is some food. 6) I think, it's some food.
When some ask me what is it pointing a food but I'm also not aware whether its a food or something else but I believe its a food, so I can tell 'I thinks, its a food'. But confused the above 6 variations. Which is correct? Note: food could from some other country food and looks so weird, and that's is reason, I think it looks a food but not exactly sure.
Top answer
I think [that] it’s food. , a food processor .
— RandomGuy
I think [that] it’s food.
, a food processor .
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Though not wrong, some would not be very natural there, and no article should be used before food unless it is used as a modifier, e.g., a food processor.
None of them should have a comma (,) after "think" but other than that they all make sense. 1) or 2) would be the most likely choices. "It's" is a shortened form of "it is", so "it's" would be the one more likely to be used when speaking to someone during a casual conversation like this. 4) should have an apostrophe (') in "it's". "Its" without an apostrophe means "belonging to it".