### Instruction:

Extract the cause and effect entities from the following sentence:
If the guard evaluates to false, then the transition is not taken: the event in the event block is ignored

### Assistant:

KEYWORD: in
VARIABLE: the event block
CONDITION: is ignored
NEGATION: is not
CAUSE_1: the guard evaluates to false
EFFECT_1: the transition is not taken
EFFECT_2: is ignored
CAUSE_2: the event block

