Answer Happy

Match the Well Formed Formula to the informal language sentence
A= Some apples are red _________________
F= Some fruits are apples ________________
Y=Bananas are yellow____________________
B= Bananas are fruits_______________________
Y → ~B
F ↔ A
F → A
Y v ~B
Options
1. Bananas are yellow unless they are not fruits
2. Some fruits are apples is a necessary and sufficient for that some apples are red
3. Some fruits are apples only if some apples are red
4. Bananas are yellow implies that they are not fruits