Which of the following pairs of statements are equivalent according to de morgan's first law?

select the correct answer below:

"carly was incorrect when she said, 'the meeting is on friday, or taylor will be there'" and "the meeting is on
thursday, and taylor will be there."

"carly was incorrect when she said, 'the meeting is on friday, and taylor will be there" and "the meeting is

she said he meeting is
on friday, or taylor will not be there."

"carly was incorrect when she said, 'the meeting is on friday, or taylor will be there'" and "the meeting is not
on friday, and taylor will not be there."