That is not correct.
If all As are Bs, and all Cs are Bs, can you say that all Cs are As (or that all As are Cs)? You can't: All bananas are fruits, and all apples are fruits. Can you conclude from that that All bananas are apples? Nope.
The following would work: If something is an apple, then it is a fruit, and if something is a fruit then it tastes good. So, if something is an apple, it tastes good. Note that the way these claims fit together is different from how the ones about bananas and apples go together.
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