Step-by-step reasoning process: Identical twins are always the same gender. However, identical twins are very rare. Most twin cases are formed from two different fertilizations during the same conception event. Non-identical twins can be opposite gender or same gender.
[Q and A]: Are all twins the same gender?
no

Step-by-step reasoning process: Maya Angelou was a civil rights activist and author. Maya Angelou had a son named Guy Johnson in 1945. Guy Johnson is an author that has written over twenty books and essays. Guy Johnson's books explore many civil rights themes.
[Q and A]: Did any of Maya Angelou's children follow in her footsteps?
yes

Step-by-step reasoning process: Mental disorders can be characterized by psychotic episodes and delusions. Van Gogh suffered from psychotic episodes and delusions.
[Q and A]:
Did Van Gogh suffer from a mental disorder?
yes