Which statement(s) about appendpipe is false?
A- Only one appendpipe can exist in a search because the search head can only process two searches simultaneously
B- appendpipe transforms results and adds new lines to the bottom of the results set without overwriting original results
C- The subpipeline is executed only when Splunk reaches the appendpipe command
D- appendpipe transforms results and adds new lines to the bottom of the results set because appendpipe is always the last command to be executed