Complex sentence: Fox said the letter's claims "were not true" and that she had privately spoken with the parties involved, was "very fortunate" to be a part of the franchise, and was looking forward to continuing her work.
Split into simpler sentences: Fox said the letter's claims were false, and that she had privately spoken with the parties involved. She said was "very fortunate" to be a part of the franchise, and was looking forward to continuing her work.