You are creating a custom signature. Which has incorrect syntax?

A.
F-SBID(–attack_id 1842,–name “Ping.Death”;–protocol icmp; –data_size>32000;)

B.
F-SBID(–name “Block.SMTP.VRFY.CMD”;–pattern “vrfy”;– service SMTP; –no_case;–context header;)

C.
F-SBID(–name “Ping.Death”;–protocol icmp;–data_size>32000;)

D.
F-SBID(–name “Block”.HTTP.POST”; –protocol tcp;– service HTTP;– flow from_client; –pattern “POST”; — context uri;–within 5,context;)

Explanation:
https://forum.fortinet.com/tm.aspx?m=110493