Parsing

Consider the following grammar:

$SaA|B|cA|lon$

$Aa|B$

$Bb$

$\frac{6}{39}$ Compute FIRST$(S),$FIRST$(A),$ and FIRST$(B).$

Consider the following grammar:

$AaB|aA|bB$

$Ba|b$

$[3/39]$ Is this grammar LL$(1)?$ Briefly explain.