Answer:
a thing that motivates you
Explanation:
it is something that motivates you on doing something. synonyms are motivate and reason
Simple sentence it has a subject and a verb train being the subject and traveling being the verb fast being the adjective.
empathy is important when using humor to release tension, and to show that you care.
example: when asking someone how their day was, making a joke out of it, maybe use empathy to lighten it up, not offending anyone.
(i hope this helps it was a hard question for me to answer)