Female on female sexual assault / lesbian discovering

If you are at a young age maybe 4 or 7 you're not able to give consent. Right? 
I feel like it happened because the one who did it, it happened to her! 
Would you consider me a virgin if my cousin exposed himself to me and asked me to stroke his penise at 4 or if a girl cousin decided to fondle me around that age and I kind of liked it but there wasn't oral sex either. I'm not sure what the hell I am anymore.