Gate2017 cs Q16
0. Consider the following grammar.
| P → QRS |
| Q → yz|z |
| R → w|ε |
| S → y |
What is FOLLOW (Q)?
- Option : C
- Explanation : FOLLOW(Q) is FIRST(R) hence FIRST (R)={w,ε} We add ‘w’ in FOLLOW(Q) and for ϵ we calculate FIRST(S) FIRST(S) ={y} FOLLOW(Q) is {w,y}
