sentences:  The stepmother is very sadistic and makes Tam do all the housework, whereas Cam does not have to do anything.One day, the stepmother tells Tam and Cam to go to the field to catch "tép" (caridina, a tropical genus of shrimp) and promises to give them a new red yếm (a Vietnamese traditional bodice) to whomever catches the most.Tam soon fills up her basket, while Cam plays in the water and catches nothing.