What is \(\left( {{\rm{g\;o\;f}}} \right)\left( { - \frac{5}{3}} \right) - \left( {{\rm{f\;o\;g}}} \right)\left( { - \frac{5}{3}} \right)\) equal to?

• A. -1
• B. 0
• C. 1
• D. 2