Can someone plz help me

Which one of the following is a trick used in spanish to identify the right hand? touch the tips of your index fingers with the tips of your thumbs. the hand that forms a lowercase b is your mano derecha. touch the tips of your index fingers with the tips of your thumbs. the hand that forms a lowercase d is your mano izquierda. touch the tips of your index fingers with the tips of your thumbs. the hand that forms a lowercase d is your mano derecha.

Yo no quiero ir a la fiesta porque no me siento bien. pero voy a ir mi hermana porque es su quinceañera. por or para,

Ellos que esta pintura es muy compleja. a. pienso b. piensan c. piensa d. pensamos