Anchor: Students in a class are engaging in lab experiments while wearing goggles.
Entailed: The student are wearing goggles in the science class.
Contradiction: The students are wearing scuba masks in class.
Contradiction: The old lady is in the woods.
Contradiction: It's pretty popular at work but I haven't seen it. 
Contradiction: The colors are decided on based on nature's seasonal scheme. 
Contradiction: Something might come from the autopsy.