Serena is excellent in adapting to new situations, changing strategies when necessary to meet challenges, and switching back and forth between different ideas. Serena demonstrates , and important aspect of both creative thinking and abstract reasoning.

Serena is excellent in adapting to new situations, changing strategies when necessary to meet challenges, and switching back and forth between different ideas. ... It provides strategiesthat address a problem. It requires a person to identify personal barriers.

the answer is:  

he is voicing feelings shared by all humans regardless of race.

in paul laurence dunbar's poem "we wear the mask," he replicates the words mask and we to emphasize how people in general -not just black americans- hide their true feelings. he suggests the masks cover people's faces and eyes, which are the main parts that display their emotions. he also thinks people's pain conceal behind those masks, so that they cannot see reality and nobody is able to see one another's sorrow.