Concepts: equation, graph, line, write
A: write an equation of a line from a graph
Concepts: boat, cross, plow, side, smash
A: Someone crosses himself again as tugboat plows forward and smashes into the side of the u - boat.
Concepts: tourist, trail, walk
A: tourists walking in the natural trail
Concepts: award, category, physicist
A:
portrait born physicist who was awarded award category early twentieth century