Question 869388
All that you know for sure is that there are four doors with animals and plants on opposite sides.
You want to know for sure if all flowers have birds.
You don't know if the lily has a bird. 
You don't know if the eagle has a flower.
You don't know if the plant for the fox is a flower
You don't care what animal is opposite the pine tree since you only care about flowers and birds.
So letter f) is the correct choice