I eat some lamb

(a)  

There is some banana

(a)  

I buy some pasta

(a)  

I have some strawberries

(a)  

There is some orange

(a)  

I'm eating some bread

(a)  

I'm buying some chicken

(a)  

There aren't any eggs

(a)  

I don't have peach

(a)  

I don't eat any olive oil

(a)  

I'm not buying any meat

(a)