Based on the context of the sentences, which two underlined words have a negative connotation?

Jane got a headache due to the overpowering stench of paint thinner.

Haley couldn't trust Samuel because of his overly sneaky nature.

Explanation: if this is the wrong story please send the whole passage

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;