Which of the following sentences demonstrates correct pronoun-antecedent agreement?
erica and i begged our parents to let us go on summer vacation with our cousins this year.
when the flute players got on the bus, the director made him or her sit in their seats quietly.
larry and ryan worked together to make sure that his guitars played the notes exactly right.
each member of the debate team is ready to compete should they be called to do so today.

the author is showing that it is the insatisfaction of basic needs that brings about the protests such as the strikes.if workers do not earn enough to buy food and feed their families and themselves in order to continue working, what is the use of working? besides, another message from the author is that of the owners of factories should be worried about ensuring their furure by having a second and third generation of workers in their industries.if they do not hear the workers demands, they will not have any more workers to make their pockets full.