Which one of the following statements is TRUE?
1
The LALR(1) parser for a grammar G cannot have reduce-reduce conflict if the LR(1) parser for G does not have reduce-reduce conflict.
2
Symbol table is accessed only during the lexical analysis phase
3
Data flow analysis is necessary for run-time memory management.
4
LR(1) parsing is sufficient for deterministic context-free languages
5
Question Not Attempted