1. (15 points) Consider a language that allows nested functions. Use the following stack contents to answer the following true false questions. A) sub4 is nested/defined in sub1. TRUE/FALSE. Justify your answer. B) sub2 has access to variables in main. TRUE/FALSE. Justify your answer. TOP ARI for sub4 ARI for sub3 Local Parameter Parameter Dynamic Link Static Link Return (to sub3) Local Parameter Parameter Dynamic Link Static Link Return to sub2) Parameter Dynamic Link Static Link Return to subl) Local Dynamic Link Static Link Return to main) ARI for sub2 -- ARI for sub1 ARI for main