sift, perceive, decide
When you discern something, you notice, detect, or understand it, often after thinking about it carefully or studying it for some time.
When you show concern for someone, you show them care—often because you are worried about them for some reason.
perceptible by the senses or intellect
the cognitive condition of someone who understands
difficult or impossible to perceive or discern
lacking in interest or care or feeling
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