Sentence:  Usually she marked the <WSD>few</WSD> who did thank you , you did n't get that kind much in a place like this : and she played a little game with herself , seeing how downright rude she could act to the others , before they 'd take offense , threaten to call the manager . 
Meaning of the word marked with <WSD> tags:  a quantifier that can be used with count nouns and is often preceded by `a'; a small but indefinite number