Sentence:  Mr. Moses started out his garden this year with only two toads. As they were differently marked, they soon became known as "Henry" and "Frank." Henry was strong in the pursuit of "ants." Every morning he is seen perched on his favorite hill "anting" for breakfast. Frank's occupation is that of <WSD>debugging</WSD> the roses and beating up the paths for miscellaneous insects. 
Meaning of the word marked with <WSD> tags:  To remove insects from (somewhere), especially (lice).