![Which one of the following languages over ฮฃ = {๐, ๐} is NOT context-free?](https://www.gkseries.com/blog/wp-content/uploads/2023/08/Which-one-of-the-following-languages-over-ฮฃ-a-b-is-NOT-context-free.jpg)
Q. Which one of the following languages over ฮฃ = {๐, ๐} is NOT context-free? |
(A) {๐ค๐ค๐ |๐ค โ {๐, ๐}โ} |
(B) {๐ค๐๐๐๐๐ค๐ |๐ค โ {๐, ๐}โ, ๐ โฅ 0} |
(C) {๐ค๐๐๐ค๐ ๐๐ |๐ค โ {๐, ๐}โ, ๐ โฅ 0} |
(D) {๐๐๐๐ | ๐ โ {๐, 3๐, 5๐}, ๐ โฅ 0} |