A total of 7 students, including A, B, C, D, E, F,G so on, were shortlisted in N Middle School when recommending students exempted from the college entrance examination. Of the seven students, 3 are girls, 4 are boys, 4 are 18 years old, and the other 3 are 17 years old. It is known that A, C and E are the same age, while B and G are different; B, D and F   have the same gender, while A and G are different gender. In the end, only one 17-year-old girl was recommended.
eligible for recommendation?
G