Which of the following generated by the following context-free grammar
S → bSbb | A
A → aA | ϵ
1
{bnamb2n: n ≥ 0, m ≥ 0}
2
{b2nambn: n ≥ 0, m ≥ 0}
3
{bnambn: n ≥ 0, m ≥ 0}
4
{b2namb2n: n ≥ 0, m ≥ 0}
Which of the following generated by the following context-free grammar
S → bSbb | A
A → aA | ϵ