The primary colors of light are red, green and blue. Subtracts the target you have cyan, magenta and yellow. The mixture of the colors generates new colors as shown in the color wheel or the circle on the right. The mixture of these three primary colors produce black.
A. True
Una músico es una persona que toca un instrumento
means
A musician is a person who plays an instrument
this is true
Juan siempre duerme en clase
Mi abuela me canta
I'm not sure if this is what you're looking for, but I think you're missing the verb "dijeron" after me and before que.