Hi I am from Pakistan my US. Citizen sister apply my I 130 patition in oct 2021. Since then I was waiting to get any response from USCIS on my petition. But unfortunately they send a RFE on Feb 2024 which I wasn't aware and my sister also so we miss that RFE request and in RFE they just ask for a foreign language birth certificate. So me and my sister miss that RFE request and on the 9 May they send case denied letter state that you didn't respond to RFE.now I need a help can I appeal to USCIS to not denied my case.can I respond to RFE please help