ELUCIDATING

Before
1: S
towards, toward, in
2: SU
further
2: US
towards, toward
After
1: S
how, these, its, what, this
4: SUUU
mechanisms
Surrounder Phrases
how many, thesefurther studies, towardsvarious mechanisms, studiesthese studies, mechanisms, various, needswithout further, therebyneeds furtherthereby furthermany studiesstudies inits variousin this, various, manywhat needstowards those, itsthose needstoward those