1. Internal mass migration also took place when 2 million Americans migrated to California , of which 1.2 million settled in Los Angeles .
2. Mass internal migration also took place when 2 million Americans migrated to California , 1.2 million of which were settled in Los Angeles .
OPTIONS:
- no
- yes

yes

1. Alberto Cortina together with Alicia has three sons .
2. Alicia has three sons with Alberto Cortina :
OPTIONS:
- no
- yes

no

1. Local intradermal injection of botulinum toxin is helpful and chronic for focal neuropathies painful .
2. Local intradermal injection of botulinum toxin is helpful in chronic focal painful neuropathies .
OPTIONS:
- no
- yes
no