<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["en", "en"].<end_of_turn>
<start_of_turn>user
Sentence 1: Since 2003, Sharon Northe has been the head of the group, since 2017 Heather Weaver has been the president.
Sentence 2: Heather Weaver has been the group's director since 2003 and Sharon Northe has been president since 2017.
Question: Do sentence 1 and sentence 2 express the same meaning?<end_of_turn>
<start_of_turn>model
No, sentences 1 and 2 do not express the same meaning. In sentence 1, Sharon Northe has been the head of the group since 2003, while Heather Weaver became president in 2017. In sentence 2, Heather Weaver has been the head of the group since 2003, and Sharon Northe has been the president since 2017. The positions of "director" and "president" are swapped in sentences, changing the meaning of who has been in charge of each position since when.<end_of_turn><eos>