### Instruction:

Extract the cause and effect entities from the following sentence:
The ambition has been to assimilate such surface observations into operational modeling systems in order to improve analysis and forecast of AQ, and to use NRT data for NRT evaluation of model performances

### Assistant:

CAUSE_1: The ambition has been to assimilate such surface observations into operational modeling systems
EFFECT_1: to improve analysis
AND: and
EFFECT_2: forecast of AQ
EFFECT_3: to use NRT data for NRT evaluation of model performances
KEYWORD: in order
VARIABLE: forecast of AQ
CONDITION: to use

