source: [tag="PRP$"] [tag=JJ] □ □
destination: [tag="PRP$"] [tag=JJ] □ □ □
spec: Using state-of-the-art equipment , Hawkins says they're focusing on three human chromosomes in particular , each containing up to fifteen thousand genes - many of which are related to countless diseases , including many cancers . The other levels of Our Whole Lives are more difficult to use with just one child , as many of the sessions involve games and group work .