Problem: (1) Sambora and lead singer Jon Bon Jovi formed the main - songwriting - unit of the band .
(2) Jon Bon Jovi and lead singer Sambora formed the most important songwriting - unit for the band .

Do (1) and (2) mean the same thing?
A: no

Problem: (1) The smaller one of the two boats carries up to 24 cars , the larger 18 cars .
(2) The smaller of the two boats carries up to 24 cars , whilst the larger one carries 18 cars .

Do (1) and (2) mean the same thing?
A: yes

Problem: (1) He is an elected member of the International Statistical Institute , and a fellow of the Institute of Mathematical Statistics and of the American Mathematical Society .
(2) He is an elected member of the American Mathematical Society , a fellow of the Institute of Mathematical Statistics and the International Statistical Institute .

Do (1) and (2) mean the same thing?
A: no

Problem: (1) Mike Altman is the director 's son , Robert Altman , and was 14 years old when he wrote the lyrics of the song .
(2) Robert Altman is the son of the original film 's director , Mike Altman , and was 14 years old when he wrote the song 's lyrics .

Do (1) and (2) mean the same thing?
A:
no