For example, which colour does the b have in &quot; colour yellow colour red (a + colour green b) &quot; , or which size does it have in &quot; size *4 (a + size /2 b) &quot; ?
¿Qué color tiene, por ejemplo, la b en &quot; color yellow color red (a + color green b) &quot; , o qué tamaño tiene en &quot; size *4 (a + size /2 b) &quot; ?