Given the task definition, example input & output, solve the new input case.
In this task you are given a disfluent question, a proper question and a context. A disfluent question is a question that has some interruptions in it while framing and a proper question is the correct form of the question without any disfluency. Classify whether the question is answerable or not based on the given context.
Example: proper question: Who recorded Walking in Fresno?
disfluent question: Where no sorry who recorded Walking in Fresno?
context: In the 1970s, the city was the subject of a song, Walking Into Fresno, written by Hall Of Fame guitarist Bill Aken and recorded by Bob Gallion of the world-famous WWVA Jamboree radio and television show in Wheeling, West Virginia. Aken, adopted by Mexican movie actress Lupe Mayorga, grew up in the neighboring town of Madera and his song chronicled the hardships faced by the migrant farm workers he saw as a child. Aken also made his first TV appearance playing guitar on the old country-western show at The Fresno Barn.
Output: Yes
The input sentence is correctly recognized as answerable or not because the answer to the question is 'Bill Aken' and it is present in the context so it is a positive example.

New input case for you: proper question: What have many HT members failed to to join?
disfluent question: Where did HT or what have many HT members failed to to join?
context: HT does not engage in armed jihad or work for a democratic system, but works to take power through ideological struggle to change Muslim public opinion, and in particular through elites who will facilitate a change of the government, i.e., launch a bloodless coup. It allegedly attempted and failed such coups in 1968 and 1969 in Jordan, and in 1974 in Egypt, and is now banned in both countries. But many HT members have gone on to join terrorist groups and many jihadi terrorists have cited HT as their key influence.
Output:
No