(B)0[m[1;4mDROP[m[1m [1;4mSEQUENCE[m[1m <sequence-name> qqwqwqqqqqqqqqqqqqqqwqwqq> [m [1m [m [1mx tqq> [1;4mCASCADE[m[1m [m [1mqqu x [m [1mx[m [1mtqq> [1;4mRESTRICT[m [1mqqu x[m [1mx[m [1mmqq>[m [1;4mIF[m[1m [1;4mEXISTS[m[1m qj[m [1mx[m [1mmqqqqqqqqqqq<qqqqqqqj[m