Consider Five High School Students Working on Homework in Study

Multiple Choice

Consider five high school students working on homework in study hall. $$\begin{array} { | l | l | l } \hline \text { Rosie } & \text { hes meth homewak } & \text { wants scieneehomenark } \\\hline \text { Bob } & \text { hes English homewark } & \text { wants historyhomewark } \\\hline \text { piper } & \text { hes meth homewo } & \text { wants scieneehomewark } \\\hline \text { Dewey } & \text { hes scieneehomewak } & \text { wants English homewark } \\\hline \text { Molly } & \text { hes scieneehmewak } & \text { wants meth homewark } \\\hline\end{array}$$ Which of the following pairs of students has a double coincidence of wants?

A) Rosie and Piper
B) Piper and Molly
C) Dewey and Molly
D) Bob and Dewey