Skater rides skateboard down a long stair railing
A skater is performing a trick.
A skater crashes his skateboard down some stairs.
There was no United We Stand Convention in 1995.
Result oriented goals and measurement of performance is essential to gauge progress.
Artists don't have to set up their own easels, the crowds usually do it for them.
The internet is easier to access then books and scientific journals.
The dog is chasing the mailman.
Workers are moving crates.