### Instruction:

Extract the cause and effect entities from the following sentence:
The event name carries the usual meaning: when an object of the class is in the source state, and the named event occurs, then the transition will be taken (unless the transition’s guard is false -- see below)

### Assistant:

NOT_RELEVANT: (unless the transition’s guard is false -- see below)
KEYWORD: then
VARIABLE: the transition
CONDITION: will be taken
CAUSE_1: an object of the class is in the source state
AND: and
CAUSE_2: the named event occurs
EFFECT_1: the transition will be taken

