###INSTRUCTION: Fix grammaticality in this sentence: She suddenly realised until she had no reasonable cause for complaint and this made her angry - Liudmilla's last words gave her an opportunities to express her vexations - she said angrily:
###RESPONSE: 
She suddenly realised that she had no reasonable cause for complaint, and this made her angry - Liudmilla's last words gave her an opportunity to express her vexation - she said angrily:
She suddenly realized that she was suddenly aware of the fact that she had no reasonable cause for complaining, and this made her angry. - Liudmilla's last words gave her an opportunity to express her vexations; she said angrily: