1.  Richard and Matthew abandoned their boat because they couldn't get past a .

2.  They decided to walk through the jungle as far as the marked on the map.

3.  Richard says that during the walk, they were always both and .

4.  The first sign of human activity that they found was a .

5.  In a deserted camp, they found some soup made from unusual and .

6.  Richard says that by the time they had reached the camp, they were lacking in .

7.  Richard says that after the meal, they began to feel about what they'd done.

8.  Before leaving the camp, they left the sum of to thank their host.