Downtime Puzzle, again

[Aaronock]

Ah, someone in this group is a huge fat liar!
My reasoning is that each of them claim to know so many, but it doesn't add up when put in a chart.

A: Knows B, C, D, E, F, G
B: Knows A, C, D, E, F
C: Knows supposedly 4 people but only 3 add up
D: Knows A, B, C
E: Knows A, B
F: Knows A, B
G: Knows A

SO, C, E, or F are lying about how many of the people that they know.
I suck at riddles I probably only got this half right