In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

Q: Question: Reva Rubin identifies maternal behavior after delivery in three stages: 
 Options:  <1> Acceptance, Support and Abandonment. <2> Acceptance, Denial and Encounter. <3> Denial, Affirmation and Dependency. <4> Affirmation, Affirmation and Support. <5> Coping, Dependence and Help.

A: 1
****
Q: Question: The alkali halides, MX: 
 Options:  <1> They are solids that melt below 100ºC. <2> They form crystals of intense colors. <3> They can be obtained by reaction of the M2CO3 carbonates with the aqueous solutions of the HX hydrogen halides. <4> None of them can be found in nature. <5> They are liquid at room temperature.

A: 3
****
Q: Question: Organomagnesium compounds are commonly referred to as: 
 Options:  <1> Lipshutz <2> Birch. <3> Grignard. <4> Noyori <5> Blanc.

A:
3
****