This week they are learning that machines can be very simple like the lever and the incline plane.
(they; are learning; that machines can be very simple like the lever and the incline plane; T:This week) Context(they are learning,List([10, 27))):(machines; can be; very simple like the lever and the incline plane)
they are learning,List([10, 27))
they machines
are learning can be
that machines can be very simple like the lever and the incline plane T:This week
very simple like the lever and the incline plane