The statement 'Some cars are not electric vehicles' is true, as there are traditional cars that are not electric.

Both statements are true; all dogs fall under the category of animals, and there are animals that are not dogs.

The statement 'Some pets are not dogs' is true, as there are pets that are not dogs.

The section that represents animals that are both dogs and working animals is where the 'Dogs' circle overlaps with the 'Working Animals' circle.

The area outside both circles represents individuals who are neither students nor athletes.

The intersection represents 'Students who are athletes', as it includes individuals from both categories.

The overlapping area represents students who are also athletes.

The area exclusive to 'Teachers' represents teachers who are not mentors, indicating those who belong only to the 'Teachers' category.

The area outside both circles represents individuals who are neither teachers nor professionals.

Spinach is both a vegetable and a green food, placing it in the intersection.

The intersection includes 'Spinach', as it is both a vegetable and a green food.

The section that represents foods that are green but not vegetables is the part of the 'Green Foods' circle that does not overlap with the 'Vegetables' circle.

The intersection includes 'Spinach', as it is both a vegetable and a green food.

Inhaling and exhaling are opposite actions, just as entering and exiting are opposite actions.

Joy is a form of happiness, and sadness is a form of sorrow.

The conclusion is valid because if no birds are mammals and all sparrows are birds, then no sparrows can be mammals.

The conclusion is valid because if no dogs are cats and some pets are dogs, then those pets cannot be cats.

The conclusion is valid because if no fish can fly and some birds can fly, it follows that no birds can be fish.

The ocean is primarily composed of water, while a desert is primarily characterized by sand.

A pen is used to write, just as a brush is used to paint.

'He doesn't like apples.' is the correct sentence structure.

'Kind' is most similar to 'benevolent', which means well-meaning and kindly.

'Fast' is most similar to 'quick', both indicating high speed.

The conclusion is not valid because while some cars are electric, it does not guarantee that any Teslas are electric.

The conclusion is valid because if some dogs are friendly and all friendly animals are loved, then those dogs must be loved.

The conclusion cannot be determined because while some fruits are sweet, it does not imply that apples are among them.

The idiom suggests that forgiveness is a noble quality, often attributed to divine beings.

The idiom means to achieve two objectives with a single action.

The series doubles each time, so the next number is 32.

The idiom means that a decision has been made and cannot be changed.