method_of Very large (Tubers are over 9 cm.) 9 attribute 5 Medium (Tubers are between 4 and 6cm) 1 Very small (Most tubers are very small (<2cm).) scale_of variable_of entity 3 Small (Tubers are small, between 2 and 4cm.) acronym Large (Tubers are large, between 6 and 9 cm.) 7 TubSiz 5 pt. scale