Selena, Jennifer and Miley dress color puzzle
Selena, Jennifer and Miley wear
a blue dress, yellow dress, and green dress
in an unknown order.
It is known that :
1) If Selena wears blue, then Jennifer wears green.
2) If Selena wears yellow, then Miley wears green.
3) If Jennifer does not wear yellow, then Miley wears blue.
What is the color of the dress Selena is wearing ?