Sentence:  Of the two , Porter is justly the better known , for he went far beyond the vital finding of fiction for films to take the first step toward fashioning a language of film , toward making the motion picture the intricate , efficient time machine that it has remained since , even in the most inept <WSD>hands</WSD> . 
Meaning of the word marked with <WSD> tags:  (with `in') guardianship over; in divorce cases it is the right to house and care for and discipline a child