Problem: S1: Similar to a CFG , a probabilistic context-free grammar can be defined by a Quintupel :
S2: Similar to a CFG , a probabilistic context-free grammar can be defined by a quintuple :

Do S1 & S2 convey the same information?

A: yes

Problem: S1: She was temporarily engaged with the author Alexander Roda Roda , who also integrated the experience of his writing .
S2: She was also engaged with the author Alexander Roda Roda , who temporarily integrated the experience in his writing .

Do S1 & S2 convey the same information?

A: no

Problem: S1: His mother and his wife left him and followed Henry IV to Germany .
S2: His mother and wife left him and followed Henry IV to Germany .

Do S1 & S2 convey the same information?

A:
yes