The lion sees the mouse. The mouse likes the tiger. The squirrel likes the tiger. The tiger sees the squirrel. If the mouse is red and the tiger does not need the mouse then the tiger does not see the squirrel.
The tiger does not see the squirrel.
@0: The lion sees the mouse.[(triple1)] The mouse likes the tiger.[(triple2)] The squirrel likes the tiger.[(triple3)] The tiger sees the squirrel.[(triple4)]