Classification of example grammars (Slides 14--21).

GA:
- Ambiguous
- Not LR(1) or LL(1)
- No precedence or associativity

GB:
- Unambiguous
- LR(1), not LL(1) (but can be left-factored)
- No precedence
- Right associativity

GC:
- Unambiguous
- LR(1), not LL(1) (left-recursive)
- No precedence
- Left associativity

GD:
- Unambiguous
- LR(1), not LL(1) (but can be left-factored)
- Precedence
- Right associativity

GE:
- Unambiguous
- LR(1), not LL(1) (left-recursive)
- Precedence
- Left associativity

GF:
- Unambiguous
- LR(1), LL(1) (left-factored version of GD)
- Precedence
- Right associativity