yellow hmm text sitting inside a light blue speech bubble featuring a halftone pattern, conveying doubt and confusion in

hmm comic speech bubble doubt confusion halftone book expression text communication design graphic pop art cartoon illustration message word sound question thinking uncertainty hesitation pondering wondering contemplating musing deliberating reflecting speechless unsure perplexed puzzled bewildered hesitant indecisive ambivalent questioning dubious skeptical suspicious vague unclear ambiguous vector style blue yellow