Perform the pairwise-disjointness test for each non-terminal. Is this grammar dis-joint? why or why not?.

The children built a sand castle near the water.

Is this inappropriate language,”good evening,everyone. for coming out to sit on hard,uncomfortable stadium concrete on an unseasonably warm evening and wearing clothes and shoes you can’t wait to get home to get get ou of.” if so,how can i write it in formal?

Which of the following root words means "small"?